Dynabrade Drill 53080 User Manual

Parts Page Reorder No. PD01•85  
Effective September, 2001  
Supersedes PD99•14  
Models:  
53080 – 3,400 RPM  
53081 – 4,500 RPM  
.7 Hp/7°, 1/2" Drill  
Air Motor and Machine Parts  
Always operate, inspect and maintain this tool in accordance with the Safety Code for portable air  
tools (ANSI B186.1) and any other applicable safety codes and regulations. Please refer to  
Dynabrade’s Warning/Safety Operating Instructions for more complete safety information.  
Index Key  
1
No. Part #  
Description  
17 N•m  
1
2
3
4
5
6
7
8
53163 Handle Assembly  
13005 Collar  
13432 Spindle Cover  
53181 Spindle  
02552 Bearing (2)  
53191 Ring Gear  
T
3
5
7
8
G
9
5
28 N•m  
T
1
A
4
6
10  
23  
2
45  
2
04026 Bearing (4)  
53193 3,400 RPM Gear (2)  
53195 4,500 RPM Gear (2)  
53180 Planetary Carrier  
9
10 53182 Gear Shaft (2)  
11 01007 Bearing  
A
8
21  
A
12 01121 Shim (3/pkg.)  
13 53183 Front Bearing Plate  
14 01010 Spacer  
15 04017 3,400 RPM Rotor  
04009 4,500 RPM Rotor  
16 01185 Blades (4/pkg.)  
17 01028 Cylinder  
18 50767 Pin  
19 13440 Rear Bearing Plate  
20 02649 Bearing  
20  
8
19  
17  
24  
15  
12  
13  
25  
26  
G
18  
1
22  
16  
O
1
14  
11  
35  
21 04014 Screw  
28  
29  
A
6
22 01041 Grease Fitting  
23 51466 Housing Assy. – 53080  
53086 Housing Assy. – 53081  
24 01089 Safety Lock Lever  
25 01017 Pin  
36  
27  
30  
37  
39  
31  
32  
38  
26 13436 Bushing  
27 13438 Handle Grip  
28 13435 Valve Stem  
29 13439 Ball  
33  
30 07145 Spring  
31 13437 Speed Regulator  
32 01024 O-Ring  
40  
44  
8.5 N•m  
34  
T
41  
33 13428 Packing  
34 13427 Regulator Plug  
35 01565 3,400 RPM Air Cntrl Ring  
01564 4,500 RPM Air Cntrl Ring  
36 95438 O-Ring  
42  
A
6
A
8
43  
37 95711 Retaining Ring  
38 94521 Muffler Base  
39 94528 Muffler  
O
1
23 N•m  
T
40 94522 Muffler Cap  
41 95375 O-Ring  
42 94526 Spacer  
KEY  
Oil: O1 = Air Lube  
O
43 94523 Inlet Adapter  
44 94519 Muffler Assembly  
45 53034 Drill Chuck (Incl. Key)  
Grease: G1 = Lubriplate 630AA  
G
A
Adhesive: A2 = Loctite #271  
A6 = Loctite #380  
A8 = Loctite #567  
Torque: N•m x 8.85 = In. - lbs.  
T
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Disassembly/Assembly Instructions - .7 Hp Drill  
Important: Manufacturer’s warranty is void if tool is disassembled before warranty expires.  
Please refer to parts breakdown for part identification.  
Motor Disassembly:  
1. Disconnect tool from power source. Remove chuck from spindle.  
2. Secure motor housing using padded vise with motor spindle facing upwards.  
3. Using an adjustable pin wrench, remove 13432 Spindle Cover.  
4. Remove 04014 Set Screw from housing.  
5. Pull 53181 Spindle and planetary carrier assembly from housing.  
6. Press planetary carrier assembly from rear 02552 Bearing. Remove ring gear and gears from 53180 Planetary Carrier.  
7. Secure planetary carrier in vise and remove 53181 Spindle. Press carrier from front 02552 Bearing.  
8. Grab onto rotor/pinion and pull motor assembly from motor housing.  
9. Press rotor/pinion from 13440 Rear Bearing Plate. Press 02649 Rear Bearing from rear bearing plate.  
10. Remove 01028 Cylinder and 01185 Rotor Blades from rotor.  
11. Press rotor pinion assembly through 01007 Front Bearing and 53183 Front Bearing Plate.  
Motor Disassembly Complete.  
Housing Disassembly:  
1. Position housing in padded vise with air inlet facing up.  
2. Remove air fitting by securing 94523 Inlet Adapter with a wrench and twist air fitting from inlet adapter.  
Important: 94523 Inlet Adapter must be secured before attempting to remove air fitting to avoid damaging valve body housing.  
3. Remove 94523 Inlet Adapter.  
4. Remove 95711 Retaining Ring from inlet adapter and separate 94521 Muffler Base from 94522 Muffler Cap. Remove 94528 Felt Muffler.  
5. Remove air control ring from housing.  
6. Using a 2.5 mm drift pin, tap 01017 Pin from housing and remove throttle lever assembly.  
7. Remove 13427 Plug. Pull 13437 Speed Regulator from housing and remove 01024 O-Rings, 07145 Spring, 13439 Ball, and 13435 Valve Stem.  
Disassembly Complete.  
Motor Assembly:  
Important: Be sure parts are clean and in good repair before assembling. Follow all grease, oil, and torque specifications.  
1. Place rotor/pinion in padded vise with threaded spindle facing upwards.  
2. Slip 01010 Spacer onto rotor/pinion.  
3. Place a .002" shim into 53183 Front Bearing Plate as an initial spacing and slip 01007 Bearing into plate. Note: 01121 Shim Pack contains .001"  
and .002" shims.  
4. Press bearing/bearing plate assembly onto rotor.  
5. Check clearance between rotor and bearing plate by using a .001" feeler gauge. Clearance should be at .001" to .0015". Adjust clearance by repeating  
steps 2-4 with different shim if necessary.  
6. Once proper rotor gap clearance is achieved, install well lubricated 01185 Blades (4) into rotor slots. Dynabrade recommends using their 95842 Air Lube.  
7. Install cylinder over rotor/pinion. Be sure air inlet holes of cylinder face away from 53183 Front Bearing Plate.  
8. Press 02649 Rear Bearing into 13440 Rear Bearing Plate. Press bearing/bearing plate assembly onto rotor. Be sure that pin and air inlet holes line up  
with pin slot and air inlet holes in cylinder.  
Important: Fit must be snug between bearing plates and cylinder. If too tight, rotor will not turn freely. Rotor must then be lightly tapped at press fit  
end so it will turn freely while still maintaining a snug fit. A loose fit will not achieve the proper preload of motor bearings.  
9. Secure motor housing in padded vise so motor cavity faces upwards. Install motor assembly into housing. Be sure motor inlet is facing the handle and  
it drops all the way into housing.  
10. Press front 02552 Bearing onto front end of 53180 Planetary Carrier.  
11. Apply #271 Loctite® to 53181 Spindle and install onto 53180 Planetary Carrier (torque 17.0 N•m/150 in. - lbs.).  
12. Install gears, 04026 Bearings and 53182 Gear Shafts onto planetary carrier.  
13. Slip 53191 Ring Gear over gears and press rear 02552 Bearing onto planetary carrier.  
14. Apply two drops of #271 Loctite® to threads of 13432 Spindle Cover.  
15. Apply #271 Loctite® to 13432 Spindle Cover and install onto housing, to secure motor (torque 28 N•m/250 in. - lbs.).  
Motor Assembly Complete.  
Housing Assembly:  
1. Install 13438 Handle Grip. (Secure with #380 Loctite® or equivalent.)  
2. Insert 13435 Valve Stem through housing and into hole in 13436 Bushing.  
3. Insert 13439 Ball, 07145 Spring, 13437 Speed Regulator with 01024 O-Ring in place.  
4. Install 13428 Packing onto 13427 Regulator Plug. Secure plug in place torque 8.5 N•m/75 in. - lbs.  
5. Insert 94528 Muffler into 94522 Muffler Cap. Install 94521 Muffler Base onto muffler cap.  
6. Install 95438 O-Ring into groove on muffler base. Place 95375 O-Ring and 94526 Spacer into recessed area of muffler cap.  
(continued on next page)  
3
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Disassembly/Assembly Instructions (continued)  
7. Slip 94523 Inlet Adapter through muffler assembly and install 95711 Retainer Ring into groove on inlet adapter.  
8. Install air control ring into housing.  
9. Apply Loctite® #567 to threads of 94523 Inlet Adapter and install entire muffler assembly onto housing inlet (torque 23.0 N•m/200 in. - lbs.).  
10. Replace air fitting. Secure inlet adapter with a wrench before tightening air fitting.  
11. Install throttle lever and 01017 Pin.  
Tool Assembly Complete. Please allow 30 minutes for adhesives to cure before operating tool.  
Important: Motor should now be tested for proper operation at 90 PSIG. If motor does not operate properly or operates at a higher RPM than marked on the  
tool, the tool should be serviced to correct the cause before use. Before operating, place 2-3 drops of Dynabrade Air Lube (P/N 95842) directly into air inlet  
with throttle lever depressed. Operate tool for 30 seconds to determine if tool is operating properly and to allow lubricating oils to properly penetrate motor  
Loctite® is a registered trademark of Loctite Corp.  
Optional Accessories  
Dynaswivel®  
96234 Tune-Up Kit  
Swivels 360° at two locations which allows an  
air hose to drop straight to the floor, no matter  
how the tool is held.  
Includes assorted parts to help  
maintain and repair motor.  
Note: For proper connection to a 1/4" NPT  
a threaded reducing bushing is required.  
• 95461 3/8" NPT.  
95542 Grease 10 oz.  
Multi-purpose grease for all types of bearings, cams, gears.  
High film strength; excellent resistance to water, stream, etc.  
Workable range 0˚F to 300˚F.  
95281 Wrench – 19 mm  
95541 Push-type Grease Gun  
One-hand operation.  
Dynabrade Air Lube  
Formulated for pneumatic equipment.  
Absorbs up to 10% of its weight in water.  
Prevents rust and formation of sludge.  
Keeps pneumatic tools operating longer  
with greater power and less down time.  
95842: 1 pt. (437 ml)  
95843: 1 gal. (3.8 L)  
Visit Our Web Site: www.dynabrade.com  
DYNABRADE, INC., 8989 Sheridan Drive  
DYNABRADE®  
Clarence, NY 14031-1490  
Phone: (716) 631-0100  
Fax: 716-631-2073  
International Fax: 716-631-2524  
DYNABRADE EUROPE S.àr.l.,  
Zone Artisanale L-5485 Wormeldange—Haut, Luxembourg  
Telephone: 352 76 84 94 1  
Fax: 352 76 84 95 1  
©DYNABRADE, INC., 2001  
PRINTED IN USA  
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