Chief Manufacturing Pit Boss 638699 User Manual

PIT BOSS  
Users Manual  
2008 © Chief Automotive Technologies.  
PIT BOSS  
Users Manual  
This owner’s manual is written to familiarize operators with IMPORTANT:  
the safe and efficient operation of the Chief PIT BOSS lift  
system. The PIT BOSS lift features Shop Hopper and 1. DO NOT attempt to operate the Chief PIT BOSS  
vehicle lifting capabilities. without first reading this entire manual.  
The lift is hydraulically positioned at various working heights 2. Complete safety information is highlighted throughout  
suitable to the operator.  
this manual and is identified by:  
3. This safety alert symbol identifies safety information.  
Operator injury could result if these CAUTION notes  
are not followed.  
NOTE:  
Illustrations shown in this manual  
may vary slightly from actual product  
4. Qualified service personnel must check operational  
capacity of the PIT BOSS lift system prior to its initial  
use and at intervals of no more than one year. Contact  
your authorized Chief Automotive Technologies  
representative for inspection.  
This manual is not intended to replace Chief Automotive  
training. For information concerning training, contact Chief  
Automotive Technologies.  
5. Persons operating the PIT BOSS lift must be at least  
18 years of age, must be trained in the operation of the  
PIT BOSS lift, and must have demonstrated their  
qualifications to the employer. They must also be  
specifically assigned to operate the PIT BOSS lift by  
the employer and this assignment must be in writing.  
1
PIT BOSS  
Users Manual  
IMPORTANT SAFETY INSTRUCTIONS  
When using your garage equipment, basic safety precautions should always be  
followed, including the following:  
1. Read all instructions.  
2. Care must be taken as burns can occur from touching hot parts.  
3. Do not operate equipment with a damaged hose or if the equipment has been  
dropped or damaged – until it has been examined by a qualified service person.  
4. Do not let a hose hang over the ledge of the table, bench, or counter or come in  
contact with hot manifolds or moving fan blades.  
5. Care should be taken to arrange the hose so that it will not be tripped over or  
pulled.  
6. Always unplug equipment from the air supply when not in use.  
7. Loop hose loosely around pump stand when storing.  
8. To reduce the risk of fire, do not operate equipment in the vicinity of open  
containers of flammable liquids (gasoline).  
9. Keep hair, loose clothing, fingers and all parts of the body away from moving  
parts.  
10. To reduce the risk of electric shock, do not use on wet surfaces or expose to rain.  
11. Use only as described in this manual. Use only manufacturer’s recommended  
attachments.  
12. ALWAYS WEAR SAFETY GLASSES. Everyday eyeglasses only have impact  
resistant lenses, they are not safety glasses.  
2
PIT BOSS  
Users Manual  
General Safety Tips  
Tower Movement  
General  
DO NOT operate this machine unless:  
1. You are authorized in writing by your  
employer.  
2. All towers are properly secured to machine.  
3. Vehicle’s wheels are blocked and parking  
brake is set.  
4. Load is 8500 lbs or less.  
5. Field of motion of load carrying device is free  
of persons and obstructions.  
WARNING!  
Fully engage tower leg into Shop-Hopper  
receptacle to prevent tower movement during the  
pull or during a raising or lowering procedure.  
When pushing tower, keep both hands on tower  
levers. Also, keep hands away from all pinch  
points.  
NOTE: The hose and pump will need to be stowed  
when moving towers around the shop.  
Persons operating the PIT BOSS lift must be at  
least 18 years of age, must be trained in the  
operation of the PIT BOSS lift, and must have  
demonstrated their qualifications to the employer.  
Pulling  
WARNING!  
DO NOT attempt to operate the PIT BOSS lift  
without first reading this entire manual.  
To avoid severe personal injury to yourself and  
others: DO NOT position yourself close to, or in-  
line with chains, clamps, or other accessories  
while pressure is applied to this system.  
Always wear safety glasses when using the PIT  
BOSS lift or any of its accessories.  
To Prevent personal injury from flying objects:  
Maintain a free space of 20 inches (50cm)  
minimum around all moving parts and pinch points  
on machine.  
Check all bolts, nuts, and clamps for  
deformation or elongation prior to each use.  
Deformed or elongated materials must be  
replaced.  
If materials look deformed, they are deformed.  
Replace them.  
Collar  
Remove twist in chain before applying pressure to  
chain.  
To avoid accidental dropping of tower collar,  
tighten collar locking knob and/or lower collar to  
bottom of tower.  
Raise / Lower Machine  
Collar locking knob must be tightened before  
removing tower chain from vehicle.  
When raising or lowering the PIT BOSS lift, be  
certain to secure the Shop-Hopper to the lift top.  
The clamps must firmly engage the tube holes.  
Lifting of persons is prohibited.  
Keep feet and objects clear of mainframe when  
lowering machine.  
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PIT BOSS  
Users Manual  
Raise / Lower Machine (continued)  
Chain  
To avoid personal injury or damage to equipment  
before operating the machine, make sure:  
Persons and objects are clear of machine.  
Hoses and other objects are free of the lift legs  
Oil spills must be cleaned up immediately to  
prevent slipping. Hoses on the floor can create a  
tripping hazard.  
The 3/8” tower chain is proof tested to 20,000 lbs.  
(90kN).  
To avoid personal injury or damage to property, DO  
NOT:  
Heat chain or hook while repairing vehicle.  
600 8F (316 8C) of heat on chain will weaken  
it.  
Loading / Unloading Machine  
Tip load chain hook  
Pull with twisted chain links  
DO NOT run over air hoses or hydraulic lines when  
loading or unloading vehicles.  
Hydraulics  
DO NOT exceed the machine’s 8500 lbs. (3850 kg)  
lifting capacity.  
Keep pump away from excessive heat or flames.  
The surrounding temperature should not exceed  
122° F (508 C).  
Shop Hopper  
Always release hydraulic pressure before  
disconnecting hydraulic hoses.  
To avoid injury, always use an assistant when  
lifting and positioning anchoring crossbars.  
If pump fails to shut off, disconnect air supply and  
When making heavy pulls, tie the anchoring bases  
back to the deck using a chain and turnbuckle  
assist.  
contact  
an  
authorized  
Chief  
Automotive  
Technologies service representative.  
All components must be replaced with Chief  
Automotive Technologies authorized replacement  
parts.  
Keep loads centered.  
Always have assistance when moving shop  
hopper.  
Improper handling and/or modification of parts is  
forbidden and may cause a hazardous situation for  
the user. Such action immediately voids the  
warranty and releases the manufacturer from all  
liability.  
Avoid sloped surfaces whenever possible.  
If a sloped surface must be crossed, use extreme  
caution and always roll straight up and down the  
slope, NEVER sideways to it.  
Keep pump in upright position. DO NOT lay pump  
on its side.  
Always apply wheel brakes when parked.  
Fill pump reservoir with all cylinders.  
maintenance section).  
(see  
During docking, entire perimeter of Shop-Hopper is  
a potential pinch point. Take care when raising and  
lowering the deck to load and unload the Shop  
Hopper.  
DO NOT overfill pump reservoir.  
Operational Capacity  
Qualified service personnel must check operational  
capacity of the PIT BOSS lift prior to its initial use  
and at intervals of no more than one year. Contact  
your authorized Chief Automotive Technologies  
representative for inspection.  
Optional Steps / Ladders  
Use only approved steps and ladders when  
working on or around this equipment.  
4
PIT BOSS  
Users Manual  
Hydraulic System Components  
General  
The Chief PIT BOSS is powered by a pneumatically  
operated hydraulic pump, which is operated by a foot  
pedal(see Figure 1)  
NOTE:  
The PIT BOSS lift has  
a
high  
pressure hydraulic system, it builds  
hydraulic pressure quickly. Be aware  
of this quick reaction when making  
pulls or lifting vehicles.  
Figure 1  
To avoid personal injury or damage  
WARNING: to property:  
When disconnecting  
hydraulic quick couplers, some fluid  
spillage may occur. Always clean up  
any hydraulic fluid spillage from floor  
or work area.  
Initial Setup  
The PIT BOSS lift requires a compressed air supply to  
activate the safety lock releases. Before using the PIT  
BOSS, it is necessary to install a customer supplied air  
coupler. The PIT BOSS lift pump is equipped with a ¼”  
Female NPT port on the back. (See figure 1)  
Figure 2  
The PIT BOSS lift pump must be connected to the hydraulic  
hose at the end of the lift. First connect hydraulic quick  
coupler (see Figure 2). Be certain the locking ring is  
completely tightened. Read the next section on pump  
usage then lift the PIT BOSS lift to its highest position.  
Press the down lever on the pump until the PIT BOSS lift  
completely settles into the top locking height. Connect the  
pneumatic line from the pump to the coupler on the PIT  
BOSS. (To connect a pneumatic line, firmly push the hose  
into the fitting until it is fully seated.)  
IMPORTANT:  
When connecting hoses, check for  
any interference of lines with moving  
parts.  
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PIT BOSS  
Users Manual  
Pump Usage  
To activate hydraulic pump and apply pressure to system to  
raise machine, depress the up pedal on the foot pump (See  
figure 3). The pump will build hydraulic pressure in the  
system to activate lift cylinders.  
To disengage the hydraulic pump, release the foot pedal on  
the pump. This action stops the flow of hydraulic oil to the  
system being operated: however, the system holds existing  
hydraulic pressure.  
Figure 3  
To release hydraulic pressure, depress the down pedal of  
the foot pump. (See figure 4). This will release the  
hydraulic pressure in the system and return hydraulic oil to  
the pump reservoir.  
To prevent damage to the pump and  
CAUTION:  
hydraulic cylinders, DO NOT operate  
pump when cylinders are fully  
extended.  
(If possible, stop  
supplying pressure before cylinders  
reach full extension)  
Figure 4  
Lock Release  
The lock release is a pneumatic valve that must be pressed  
to deactivate the lock arm and lower the Pit Boss (see  
Figure 5).  
To Lower Machine  
1. Activate lock arm release by depressing and holding the  
brass button on the pump stand. (See figure 5)  
Figure 5  
2. Depress and hold the “UP” pedal on the foot pump to  
raise the machine until the safety lock arm audibly  
releases from its lock position. (See figure 3)  
To Raise Machine  
3. While continuing to hold down the “UNLOCK” button,  
depress and hold the “DOWN” pedal on the foot pump.  
1. Activate pump by depressing and holding “UP” pedal on  
pump.  
Before lowering machine, clear  
all obstacles from under and  
around machine.  
DO NOT allow anyone or  
anything to ride on machine or  
be under machine during  
lowering procedures.  
2. After machine is slightly above desired working height,  
as indicated by the audible drop of the lock arm into its  
locking position, release “UP” pedal on the pump.  
CAUTION:  
3. Depress and hold “DOWN” pedal on the pump to lower  
machine into mechanical stops.  
Adjust Working Height  
The PIT BOSS lift has six (6) working heights from 9 inches  
(480 mm) to 45 inches (1220 mm).  
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PIT BOSS  
Users Manual  
Docking the Shop-Hopper with the PIT BOSS  
1.  
Retract the mounting clamps on the PIT BOSS and  
remove any frame adapters from the lift arms (see  
Figure 6).  
2.  
Position the Shop-Hopper over the PIT BOSS and  
align the square holes of the center tubes with the  
mounting clamps (see Figure 7).  
Figure 6  
Figure 7  
Figure 8  
NOTE:  
If the PIT BOSS is not mounted with the table  
top flush with the floor the Shop-Hopper must  
dock on the lift from the side.  
3.  
4.  
Raise the PIT BOSS until the Shop-Hopper fully sits on  
the flat of the lift.  
Slide the mounting clamps fully into the square tubes  
of the Shop-Hopper and tighten with a 30mm wrench  
(see Figure 8)  
Loading a vehicle  
When loading a vehicle on to the PIT BOSS lift observe the  
following precautions.  
When driving or winching vehicle  
on or off machine, use a helper  
to guide.  
CAUTION:  
When positioning a vehicle over  
the lift the vehicle should be  
centered over the lift from side to  
side as closely as possible.  
The center of gravity of the  
vehicle should be as close to the  
center of the lift as possible.  
DO NOT exceed 8500 lbs. Lifting  
capacity of PIT BOSS lift.  
Before raising lift, verify that all  
lift pads securely mate to a  
suitable lifting point on the  
vehicle.  
CAUTION:  
If the frame of the vehicle is too  
narrow for the lift arms use the  
offset arm mounts.  
ONLY USE THE OFFSET ARM  
MOUNTS WITH THE ARMS  
FULLY  
RETRACTED  
SEE  
FIGURE 9  
Figure 9  
7
PIT BOSS  
Users Manual  
Shop-Hopper Removable Casters  
The removable casters of the Shop-Hopper give three  
primary benefits. First, they allow the Shop-Hopper to be  
docked with the Fuzion at both ends. Second, they allow  
the Fuzion to be lowered into the lowest position with the  
Shop-Hopper docked. Third, they allow the Shop-Hopper to  
sit on the floor when removed.  
Removable Caster Mounting  
The removable casters can be mounted from the ends and  
from the sides at both ends of the Shop-Hopper. For normal  
use all casters should always be mounted from the sides for  
maximum stability. Mounting one pair from the end and the  
other pair from the side allows the Shop-Hopper to be  
docked with the Fuzion.  
Figure 10  
To prevent personal injury or  
WARNING:  
property damage never mount both  
pairs of casters from the ends of the  
Shop-Hopper. (See figure 13)  
To remove the casters the Shop-Hopper must first be raised  
at least 4 inches. Next, lock the swivel lock mechanism on  
the caster to be removed. Third, remove the hair pin clip  
from the retaining pin. (See figure 10) Then slightly lift the  
caster end of the mount and remove the pin at the same  
time. With the pin removed the mount will pivot down. (See  
figure 11) Continue to pivot the mount down and unhook  
the mount from the lock. The mount will then slide freely  
from the Shop-Hopper. (See figure 12)  
Figure 11  
To install the casters, the Shop-Hopper must be lifted at  
least 16” off the floor. Installation is similar to removal with  
some additional steps. First, determine the most likely use  
of the Shop-Hopper. If it is to be docked with the Fuzion,  
pick which end will be to the front of the Fuzion. That end  
will have to have the casters mounted from the end. If the  
Shop-Hopper is not likely to be docked, all casters should be  
mounted from the side for maximum stability. (See figure 13)  
After this has been done, the casters can be installed at the  
appropriate locations.  
Figure 12  
WARNING  
To prevent personal injury and property damage. Always  
fully engage the pin and hair pin clip when installing the  
casters.  
Figure 13  
8
PIT BOSS  
Users Manual  
Shop-Hopper Tower  
The Shop-Hopper tower is an optional accessory that allows  
light pulls to be done with the Shop-Hopper. (See figure 14)  
This tower mates to any of the 12 square holes around the  
bottom of the Shop-Hopper. In order to properly use the  
Shop-Hopper tower, the tower must be fully inserted into  
one of the square holes. (See figure 15)  
WARNING  
To prevent personal injury and property damage. Always  
fully engage the Shop-Hopper tower mount into the  
Shop-Hopper before making any pulls.  
Figure 14  
While the Shop-Hopper is on the PIT BOSS it is permissible  
to use one of the center square holes as a tower location.  
Remove only one hold down clamp and insert the tower into  
that location if needed.  
WARNING  
To prevent personal injury and property damage. Always  
replace the hold down clamp removed when finished with  
the pull.  
Once engaged into the Shop-Hopper, the tower may be  
pivoted in the mount to achieve the desired pulling angle.  
To do this, lift the spring loaded pull pin on the tower arm.  
(See figure 16) Next, rotate the tower and fully engage the  
pull pin into the desired location.  
Figure 15  
The Shop-Hopper tower is hydraulically powered by an air  
over hydraulic pump similar to the PIT BOSS. The pump  
must be connected to an air supply to function.  
The vertical angle of the pull is controlled by adjusting the up  
and down position of the tower collar on the tower pipe. The  
horizontal angle of the pull is adjusted by tower placement  
and the rotation of the tower collar on the tower pipe.  
WARNING  
To prevent personal injury and property damage. Never  
lower the PIT BOSS below the normal ride height of  
the Shop-Hopper Tower with the tower engaged into the  
Shop-Hopper.  
Figure 16  
1. To adjust slack tower chain, grip chain on each side of  
tower. Lift out on tail of chain until it is approximately 45  
degrees from tower. Then disengage chain from tower  
head and pull chain to either increase or decrease  
amount of slack. (see figure 17)  
2. Support collar with one hand while loosening collar  
locking knob with opposite hand. Then position collar  
approximately three inches (75 mm) above desired  
pulling height and retighten collar locking knob. (see  
figure 18)  
Figure 17  
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PIT BOSS  
Users Manual  
To Operate Towers (continued)  
3. Let tower chain hang free momentarily to remove twist.  
Then without twisting chain, attach hook to vehicle. Pull  
on tail end of chain to remove slack (see figure 19).  
Loosen collar locking knob and lower collar.  
IMPORTANT:  
Remove twist from chain before  
lowering collar. Make sure that chain  
links between collar roller and hook  
align.  
Figure 18  
4. Attach pump’s hydraulic hose to tower quick coupler at  
the base of the tower pipe.  
5. To operate pump, follow usage procedures on page 8.  
To prevent damage to tower  
CAUTION:  
CAUTION:  
assembly, pulls must not exceed a 45  
degree angle from tower base. (see  
figure 20)  
Figure 19  
To avoid personal injury or damage  
to equipment, DO NOT:  
Heat chain hook while repairing  
vehicle. 600 8F (316 8C) of heat  
on chain will weaken it.  
Tip load chain hook.  
Pull with twisted chain links.  
WARNING  
Figure 20  
To avoid severe personal injury to yourself and others:  
DO NOT position yourself close to or in-line with the  
chains, clamps, or other accessories while pressure is  
applied to this system.  
IMPORTANT:  
DO NOT tighten collar locking  
knob while pressure is applied to  
the system because it will be  
impossible to loosen the knob  
without pressure on the system.  
When tower is no longer needed, remove tower chain and  
hook from vehicle, and store collar using one of the two  
methods shown in figures 21 & 22.  
Collar locking knob must be  
tightened before removing tower  
chain and hook from vehicle.  
Collar locking knob must be tight  
when collar is not in use.  
Store collar at bottom of tower  
pipe or support collar with tower  
chain.  
CAUTION:  
Figures 21 & 22  
10  
PIT BOSS  
Users Manual  
Shop-Hopper Vehicle Anchoring  
The Shop-Hopper vehicle anchoring system consists of four  
anchoring stands with clamp bars and two cross bars.  
Together with the cross bars, the anchoring stands and  
clamp bars provide a positive means of securing a vehicle to  
the Shop-Hopper.  
Crossbar Mounting  
The crossbars can be mounted anywhere along the  
Shop-Hopper as needed for the vehicle mounting locations.  
Each crossbar has four bolt locations that must be used to  
securely mount to the Shop-Hopper. (See figure 23) For  
easier alignment of the crossbars with the desired holes,  
use one of the pins from the anchoring stands as an  
alignment tool. Once the crossbars have been placed,  
firmly tighten the bolts with a 30mm wrench.  
Figure 23  
Anchoring Base Mounting  
The anchoring stands are mounted to the crossbars. They  
can be mounted anywhere along the track that the bar will  
slide. (See figure 24) Once the anchoring stands have been  
placed, they also must be securely mounted by tightening  
the bolts with a 30mm wrench.  
Two Piece Anchoring  
Figure 24  
The clamp bars mount to the adjustable height tube of the  
anchoring stand. This assembly is called Two Piece  
Anchoring. Each bar fits between the ears on top of the  
tube. The bars are secured with the bolt and nut at the  
center of the clamp and tightened with a 30mm wrench.  
(See figure 25) The advantage of the Two Piece Anchoring  
is that the clamp bars can be attached to the pinch welds of  
the vehicle first. Then the anchoring bases and crossbars  
can be positioned to mount to the clamps.  
This  
arrangement will make it easier to load a vehicle on the  
Shop-Hopper using a 2-post lift.  
Figure 25  
WARNING  
To prevent personal injury and property damage. Always  
fully tighten all nuts and bolts when anchoring a vehicle  
before making any pulls.  
11  
PIT BOSS  
Users Manual  
Machine Maintenance  
Cleaning and Lubricating  
Check and Inspect  
These components should be cleaned and lubricated as  
specified for trouble free operation and extended service.  
When lubricating use the following:  
These components should be checked monthly and anytime  
a problem is suspected.  
Oil – Use 30 weight motor oil for all components requiring  
lubricating oil.  
Grease – Use a SUS750 lithium type grease such as  
lubricate #630-2 for all components requiring grease  
To avoid personal injury when  
CAUTION: performing  
any  
maintenance  
function, always wear safety  
glasses and safety shoes.  
Tower Heads  
Tower Chains  
Grease tower heads annually  
1. Remove tower chain from tower head  
2. Remove tower head from tower pipe  
The tower chains with the Chief Shop-Hopper Towers are  
high quality, high strength chains/hooks. If replacement is  
required, purchase only the original Chief product from an  
authorized Chief Automotive representative.  
DO NOT heat chain or hook  
while repairing vehicle – 600F  
(316C) of heat on chain will  
weaken it.  
DO NOT tip load chain hook.  
Tip loading chain hook will  
3. Clean dirt from tower head pipe and where tower head  
pipe rubs on inside of tower pipe.  
CAUTION:  
4. Apply grease to tower head pipe  
5. Reinstall tower head and tower chain  
Collars  
stress  
hook  
beyond  
its  
designed capability and could  
cause hook to fail.  
DO NOT pull with twisted chain  
links. Pulling with twisted chain  
links will stress chain links  
Clean and lubricate collars monthly.  
1. Use compressed air to blow out dirt or dust that collects  
between collar ears and rollers.  
beyond  
their  
designed  
capability and could cause  
chain to fail.  
Wear safety glasses while using  
CAUTION:  
compressed air to blow out dirt and  
dust.  
Tower chains must be inspected for wear, nicks, gouges,  
stretched and bent links. If found, replace chain.  
2. Place a few drops of oil on the roller pin between roller  
and collar ears (each side). Then turn roller a few times.  
Roller must turn freely  
Tower chain hooks must be inspected for twist and stretched  
openings. If found, replace chain.  
Loading Ramps  
Eliminating Air in Hydraulic System  
Inspect loading ramps making sure loading ramp slots fully  
engage the pinning lugs at rear of machine each time  
mainframe is raised or lowered.  
If hydraulic system is opened to replace  
component, it is necessary to bleed air from system prior to  
using it.  
a
system  
Power and Control Hoses  
Bleeding Air in System at Tower Cylinder  
1. Connect the hydraulic line to the tower cylinder.  
2. Remove the tower head and chain  
Inspect power and control cords for worn hoses or other  
damage. If found, replace hose(s).  
3. Fully extend tower cylinder by depressing and holding  
“UP” pedal on the foot pump until tower gauge shows  
2000 psi of pressure on system.  
12  
PIT BOSS  
Users Manual  
Bleeding Air in System at Tower Cylinder (Continued)  
Refill Hydraulic Fluid Reservoir  
4. While holding rag over the top of the cylinder to prevent The hydraulic pump contains 1.75 quarts (1.7 liters) of  
oil spray, use a 3/16” T-handle allen wrench, loosen hydraulic oil. When refilling or adding oil, fill to within 1” (25  
cylinder top bolt ½ turn.  
mm) of fill port using SUS 215 viscosity @1008F (388C) 10W  
hydraulic oil.  
5. Rapid, side-to-side motion of the T-handle may be  
necessary to unseat the seal washer at the top of the  
cylinder.  
Fill pump reservoir with all cylinders  
retracted and lift in lowest position.  
CAUTION:  
DO NOT overfill pump reservoir.  
Wear safety glasses to protect eyes  
CAUTION:  
from hydraulic oil in the event it squirts  
past rag.  
Scissor Lift Assembly  
All scissor lift pivot points are permanently lubricated and do  
not require maintenance except for occasional cleaning.  
6. Trapped air or trapped air/oil mixture (indicated by foam  
in the oil) should escape from top of cylinder. Wipe up  
escaping oil with rag.  
Scissor Lift Base  
7. When cylinder is completely bled, only clean oil should  
escape from top of cylinder.  
Using compressed air, blow dirt and debris from the base. If  
necessary, use stiff brush to remove build up of dust and paint  
on the surface.  
NOTE:  
It may be necessary to tighten top  
cylinder bolt and repressurize system  
to 2000 psi and repeat procedure  
CAUTION:  
Wear  
safety  
glasses  
while  
using  
compressed air to blow out dirt and dust.  
8. Replace tower head and chain. Lower tower cylinder  
and refill reservoir to within 1” of fill port with all cylinders  
in retracted position.  
NOTE:  
Refer to Parts Manual for detailed  
exploded views of referenced parts.  
Contact Chief Automotive with any  
questions regarding the usage or  
maintenance of the PIT BOSS system.  
Machine Placement  
The PIT BOSS System has many accessories that add to the overall footprint of the lift. Use Figure 26 as a guide to  
plan for the working space needed when installing the PIT BOSS.  
Figure 26  
13  
PIT BOSS  
Users Manual  
Machine Leveling  
1. Position the PIT BOSS lift in the highest working position.  
2. Use the scissor base as a template and a drill guide to install four (4)  
concrete anchors (see Figure 27 & 28). See Anchoring section for more  
information  
3. Move around the machine placing a level across the front, rear, and down  
both sides of the top. The machine should be level in all working heights.  
Figure 27  
4. Adjust level by adding the shims (see Figure 29). Repeat this process until  
the machine is level on all corners.  
5. Once the machine is level tighten the nuts on the concrete anchors. DO  
NOT use an impact wrench for tightening  
6. Depending on how many shims where placed under the PIT BOSS, shims  
may need to be added to the Shop-Hopper. Shims for the Shop-Hopper are  
placed between the caster and the frame.  
Figure 28  
Figure 29  
14  
PIT BOSS  
Users Manual  
Machine Anchoring  
1. Anchors must be installed at least 5-11/16” from  
any edge or seam in concrete.  
2. The concrete must be at least 4-1/4” thick with a  
compressive strength of 3000psi.  
3. Use a hammer drill with a carbide tip, ¾” diameter  
solid drill bit. The bit tip diameter should be to ANSI  
Standard B95.12-1977 (.775” to .787”).  
4. Keep drill perpendicular to the floor while drilling.  
Let drill do the work. Drill the hole completely  
through the slab. Clean dust from hole using a  
vacuum. (See Figure 30)  
Figure 30  
5. Assemble the washers and nuts onto the anchor  
bolts. Thread the nuts onto the anchor bolts where  
the top of the nuts are just above the top of the  
bolts, as shown.  
6. Using a hammer, carefully tap the anchor bolts into  
the concrete until the washer rests against the base  
plate.(See Figure 31)  
7. If more than 2” of shimming is required, do not use  
the anchors and shims provided with the lift. Use  
longer anchors and fabricate larger shims from  
steel flat.  
8. Once the machine is level, tighten the anchor bolts  
to 150 ft-lbs. Do not use an impact wrench on  
anchor bolts. (See Figure 32)  
Figure 31  
Figure 32  
15  
PIT BOSS  
Users Manual  
Machine Ramps and Tread ways  
The ramps and tread ways are used when the PIT BOSS has not  
been placed within a pit. The tread ways give 6 inches of  
elevation enabling the vehicle to be driven over the PIT BOSS.  
1. Install the tread way locating brackets. The brackets bolt  
on the ends of the lift base and are each secured with  
two 3/8 bolts (see Figure 33).  
2. Each tread way has a piece of channel iron on the  
bottom. Select four tread ways without wheel stops and  
insert the channel iron of the tread ways completely into  
the locating brackets (see Figure 34 and Figure 35). Be  
certain the ends of the tread ways with out bolts are away  
from each other (see Figure 36).  
Figure 33  
Figure 34  
Figure 35  
Figure 36  
3. Now repeat step 2 for the other side of the PIT BOSS.  
Next locate the two tread ways with wheel stops and  
place them at the lift cylinder end. Opposite the wheel  
stops are keyholes in the tread ways. Line the keyholes  
up with the exposed bolts on the mating tread way and  
insert them (see Figure 37).  
4. Lock the remaining two tread ways on the opposite end  
as the wheel stops. Place the ramps with the slots over  
the bolts (see Figure 38).  
Figure 37  
Figure 38  
16  
PIT BOSS  
Users Manual  
Machine Pit Layout  
The PIT BOSS is designed specifically for use in a flush mount pit. Figure 39 shows the pit dimensions. For maximum  
effectiveness it is essential that the hydraulic and air lines be run in conduit under the surface of the floor. The conduit should  
be 2” inside diameter and must be acceptable for the use with concrete. Where ever the conduit emerges will mark the  
location of the pump and stand. Be certain this is an acceptable area clear of traffic. The profile of the PIT BOSS and  
accessories is shown in Figure 26. Placement of the pit should take into account these accessories plus additional space  
needed for a comfortable work area.  
Figure 39  
Troubleshooting  
PROBLEM  
CAUSE  
POSSIBLE SOLUTION  
Pump will not Run  
Air supply disconnected  
Air supply not energized  
Bad pump  
Plug in air supply  
Turn on air supply  
Replace pump. Contact Chief Automotive Service Representative  
for replacement.  
Pump will not build  
pressure or builds  
pressure slowly  
Hydraulic fluid low  
Fill fluid reservoir to within 1” (25 mm) of top with SUS215 viscosity  
@ 100°F (38C) 10W hydraulic oil with all cylinders down and  
machine in loading position.  
Contamination in fluid  
Contamination in cylinders  
Hydraulic oil leak  
Remove and clean fluid. Contact Chief Automotive Service  
Representative.  
Remove and inspect cylinders. (Refer to parts manual). Contact  
Chief Automotive service representative.  
Check hoses, fittings, cylinders, and quick couplers for leaks.  
Tighten or replace if necessary  
Pump will not hold  
pressure  
Pump stalls or will not Contamination in fluid  
start under pressure  
Remove and clean elbow fittings at cylinders. Contact Chief  
Automotive Technologies Service Representative.  
Maximum total lift capacity (including 2000 lb Shop Hopper) is 8500  
lbs.  
Too much weight  
Insufficient air supply  
Use different air supply.  
Tower cylinder jumps  
Air in hydraulic system  
Bleed hydraulic system  
Tower cylinder will not Auxiliary line valve closed  
extend  
Open auxiliary line valve one turn  
Auxiliary line not connected Connect auxiliary line to tower  
to tower  
Lift switch turned on  
Pump will not build pressure  
Turn off lift switch  
See pump problems above  
Collars jump under load  
Improper fit between collar Refit collar – Contact Chief Automotive service representative.  
and tower pipe  
17  
P.O. Box 1368  
Grand Island, Nebraska 68802-1368  
Phone: 308/384-9747  
Fax:  
308/384-8966  
Chief reserves the right to alter product specifications  
and/or packaging components without notice  
Form 1-PIT BOSSUM (rev 01/08)  
Part No. 638699  

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