GROUTHOG
TILE AND GROUT MACHINE
Operating Instructions (ENG)
MODEL: GH3 (115V)
10050060
Read instructions before operating the machine.
N
86038000 07/14/08
PRV NO. 98108
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SAFETY
This appliance is for use on a nominal 120-volt
INSPECTION
circuit, and has a grounded plug that looks like the
plug in “Fig. A” below. A temporary adaptor that
looks like the adaptor in “Fig. C” below may be used
to connect this plug to a 2-pole receptacle as shown
in “Fig. B” below, if properly grounded outlet is not
available. The temporay adaptor should be used
only until a properly grounded outlet (Fig. A) can be
installed by a qualified electrician. The green colored
rigid ear, lug, or the like extending from the adaptor
must be connected to a permanent ground such as a
properly grounded outlet box cover. Whenever the
adaptor is used, it must be held in place by a metal
screw.
Please carefully unpack and inspect your
GROUTHOG for shipping damage. Each unit is
operated and thorougly inspected before shipment,
and any damaged is the responsibliltiy of the
delivering carrier who should be notified immediately.
ELECTRICAL
The Grouthog is designed to operate on a standard
15 amp, 115 volt, 60 hz, AC household current.
Check that the voltage shown on the serial number
plate is suitable for the supply available. Voltages
below 105 volts or above 125 volts could cause
damage to the motor.
* 230/250 volt 50 hz models are available.
To avoid electrical
shock, use indoors only.
NOTE: The GROUTHOG is equipped with a safety
relay switching system that prevents accidental motor
start-up. If the power cord is unplugged during use,
the machine will not start when reconnected, until the
the ‘ON’ switch is depressed.
GROUNDING INSTRUCTIONS
This applicance must be grounded. If it should
malfunction or break down, grounding provides a
path of least resistance for electric current to reduce
the risk of electric shock. This appliance is equipped
with a cord having an equipment-grounding
conductor and grounding plug. The plug must be
inserted into an appropriate outlet that is properly
installed and grounded in accordance with all local
codes and ordinances.
EXTENSION CORDS
If an extension cord is used, the wire size must be at
least one size larger than the power cord on the
machine and should be limited to 50 feet in length.
Extension cord must be three wire grounded. The
machine is equipped with a 18/3-40’ power cord.
Improper connection of
the equipment-
grounding conductor can result in a risk of
electric shock. Check with a qualified electrician
or service person if you are in doubt as to
whether the outlet is properly grounded. Do not
modify the plug provided with the appliance. If it
will not fit the outlet, have a proper outlet
installed by a qualified electrician.
EQUIPMENT SETUP
NOTE: Attach stain relief/cord retainer to the power
cord.
1. Make a loop in power cord
approximately 18” from main
housing.
2. Slide cord loop through slot in
retainer arm. Pull slack cord
back though slot to secure.
GROUTHOG 86038000 05/17/07
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OPERATION
The brush-drive motor is
thermally protected and
SELECT THE RIGHT CHEMICAL FOR THE JOB:
should an overload condition occur causing the
motor to stop, the machine will not start until the
“ON” switch is depressed.
1. For greasy or oily soil – Use a heavy-duty
degreaser.
2. For sealer or old wax - Use a heavy-duty
stripper.
8. Start cleaning at the farthest corner and work
toward the door. For best results, pull machine
backwards at a steady pace.
3. For soap residue and lime build-up – Use a mild
acidic cleaner.
9. Keep the machine moving to avoid possible
damage to the grout.
4. For routine maintenance – Use an all-purpose
cleaner.
10. Use a bristle hand brush to clean inside corners
and small areas not accessible by machine.
Consult your Windsor
dealer for proper
11. After scrubbing, rinse floor with clean water. Use
a wet vacuum to pick up loosened dirt an
solution.
chemicals. Always follow directions on the
container of the chemical being used.
SELECT THE RIGHT BRUSH FOR THE JOB:
12. Groutlines will appear dark at first, but will lighten
after they dry.
1. For routine maintenance use the Universal
STANDARD Brush.
2. For cleaning groutlines use the Universal
AGRESSOR Brush.
CLEANING PROCEDURE
1. Remove trash receptacles, etc., from the area to
be cleaned.
2. Sweep or dust mop the floor.
3. Remove gum, labels or other debris from the
surface with a scraper.
4. Apply the pre-mixed solution generously with a
wet mop (or use optional tank) to a section of the
floor. Let solution stand for 5 to 10 minutes. Do
not allow solution to dry on the floor.
5. Plug the power cord of the machine into a
properly grounded outlet.
6. Adjust handle to a comfortable height.
7. Depress the “ON” switch to start machine.
(Depress the “OFF” switch to stop machine.)
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MAINTENANCE
DAILY MAINTENANCE
BEARING REPLACEMENT
1. Before storing the machine, clean exterior.
Remove brush and rinse clean with hot water.
Using a small torch, heat the aluminum bearing block
just enough to allow the bearing and shaft (items 31
and 32, respectively) to be removed.
2. Periodically inspect electrical cable and
connections. Because the cable will lie on wet,
abrasive floors, the cable must be well insulated.
If the insulation is broken or frayed, repair or
replace immediately.
Use a bearing puller to remove old bearing. When
replacing bearing, use a socket or metal sleeve just
large enough to slip over the shaft and still contact
the inner bearing race. Use an arbor press or vise to
press new bearings on shaft. Re-heat aluminum
block just enough to allow re-assembly of bearing
and shaft.
3. Remove wheels periodically and apply silicone
lubricant to the axle.
Do not overheat block as
this will damage the bearing.
SERVICING THE GROUTHOG
MOTOR REPLACEMENT
Always disconnect the
power cord from electrical
1. Remove motor cover (item 73 held on by (4)
screws).
source before making repairs or adjustments.
BRUSH REMOVAL
2. Remove (4) screws holding motor (item 60).
Disconnect motor lead and remove motor.
1. Place handle in upright position. Tilt machine
back with handle resting on floor.
3. When re-installing the motor use a straight edge
to realign pulleys. A screw driver can be used to
adjust tension.
2. Loosen Knob Assembly (item 20) holding the left
bearing block (item 29).
4. NOTE: Belt should be adjusted to snug fit to
3. Remove bearing block from the frame and brush
core.
prevent slipping. DO NOT OVERTIGHTEN.
4. Remove brush (item 33) from the right bearing
block (item 38). When re-installing the brush,
make sure that the guide pins (item 30) on both
ends are properly aligned with the holes in the
brush core and the bearing block (items 29) is
correctly seated.
BELT REPLACEMENT
1. Remove main cover (item 73 held on by (4)
screws). Remove bottom belt guard (item 34
held on by (2) screws).
2. Using an allen wrench, remove the screw holding
the right bearing block (item 56).
3. Remove bearing block along with the old belt.
Replace belt and bearing block. Check belt for
proper tension and alignment (see Motor
Replacement for belt adjustment).
GROUTHOG 86038000 05/17/07
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WIRING DIAGRAM
115V GH3
BLACK 86268310
PRV NO. 88240
BLACK 86268150
PRV NO. 88165
BLACK 86268600
PRV NO. 88421
BLACK
86268150
PRV NO.
88165
BLACK 86268170
PRV NO. 88618
BLACK 86268150
PRV NO. 88165
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THIS PAGE LEFT BLANK INTENTIONALLY
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GROUT HOG ASSEMBLY
78
62
66
69
71
81
67
70
77
76
61
68
65
63
80
64
69
72
63
64
75
73
79
39
60
10
74
51
50
59
52
58
45
49
53
42
45
16
56
55
54
28
57
40
38
48
39
14
FRAME
41
15
47
42
46
17
30
43
4
5
18
19
20
13
28
17
18
44
3
18
9
1
4
23
24
31
22
30
7
38
2
45
37
21
12
3
25
3
6
22
30
30
3
33AB
10
28
27
35
34
6
29
32
23
FRAME
26
10
31
11
35
GROUTHOG 86038000 07/14/08
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GROUT HOG ASSEMBLY
SERIAL NO.
NOTES:
FROM
REF PART NO. PRV NO. DESCRIPTION
1
2
3
4
5
6
7
8
86278140
86259660
86010680
86278910
86005750
86274050
86091970
-
70002
89038
87030
87003
57113
70078
14222
OPEN
73044
57106
70013
70049
66059
57047
70010
66058
87013
87025
70020
48013
73183
87068
20001
73157
67063
67062
67061
67005
14215
66060
09021
73161
12019
14248
36045
70177
OPEN
73163
14216
70126
64029
73166
87015
14079
70015
27218
70025
70051
57104
SHOULDER BOLT, 3/8 OD X 2.0 L
WHEEL, GH 4" DIA.
WASHER, 3/8 ID X 3/4 OD NYLON
WASHER, 3/8 ID X 7/8 OD SS
NUT, 5/16-18 HEX NYLOCK
SCR, 5/16 X 3/8 PHSB PH SS DL
BRKT ASM, GH HANDLE ADJ.
-
SPRING, EXT .44 D X 2.25 L X .054 W
NUT, 1/4-20 HEX NYLOCK
SCR, 8-32 X 3/4 PHMS SS
SCR, 1/4-20 X 1.75 PHMS SS
PLUG, GH HANDLE PIVOT
NUT, 1/4-20 HEX NYLOCK
SCR, 1/4-20 X 1.5 HHCS SS
PIVOT, GH HANDLE
WASHER, 1/4 ID X 5/8 OD SS
WASHER, 1/4 LOCK EXT STAR SS
SCR, 1/4-20 X 1/2 HHCS SS DL
KNOB ASM, GH BEARING BLOCK
SHIELD ASM, GH3 SPLASH
WASHER, 1/8 RIVET BACKUP
CLAMP, BAG SUPPORT
9
86226780
86005720
76006490
86273920
86264220
86005680
86273740
86093390
86010630
86010660
86273830
86028070
86028470
86010690
86233060
86086930
86086340
86086330
86264380
86273070
86027310
86272180
86228560
86094050
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
SHIELD, GH SPLASH
ROD, GH SPLASH SHLD HANGER
ROD, GH SPLASH SHLD ROLLER
ROLLER, SPLASH SHIELD
RIVET, 1/8 OD WHT AL
BLOCK ASM, GH LH BEARING
PIN, ROLL 1/4" X 3/4" L
BEARING, GH BRUSH SHAFT
SHAFT/HUB ASM, GH DRIVEN
BRUSH, GH UNIVERSAL STANDARD
BRUSH, GH ALL PURPOSE AGGRESSOR
GUARD, GH3 BELT
33A 86283940
33B 86283950
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
86064140
86006650
-
SCR, 10-32 X 1/2 FHMS SS
-
86094060
86027320
86277940
86250440
86007670
86090230
86197300
86273780
86226390
86273860
86273930
86005700
SHAFT/HUB ASM, GH BRUSH DRIVE
BLOCK ASM, GH RH BEARING
SET SCR, 1/4-28 X 1/4 KCP
PULLEY, GH BRUSH 20L050
SNAP RING, EXTERNAL
WASHER, 9/16 ID X 1.06 OD SS
BUSHING, 1/8 FPT X 1/4 MPT HEX
SCR, 1/4-20 X 3/4 HHCS SS
CAP, GH FRAME TUBE
SCR, 10-32 X 3/4 IHHMS UN SL SS
SCR, 8-32 X 1/2 PPHMS
NUT, 10-32 W/STAR WASHER PLTD
GROUTHOG 86038000 05/17/07
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GROUT HOG ASSEMBLY
SERIAL NO.
FROM
REF PART NO. PRV NO. DESCRIPTION
NOTES:
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
86092320
86090390
86251350
86197560
86237150
86076200
86279090
86277940
86229270
86250430
86271110
86247080
86274160
86244960
86256610
86279110
86005670
86244990
86244970
-
86234710
86245160
86256200
86244980
86063380
86245260
86234100
86006800
86076740
86256170
86092630
86232340
86245650
34111
89037
67064
40015
35065
36051
87067
70126
11011
64028
57123
53113
70110
50211
72015
87075
57040
50228
50212
OPEN
27237
50399
73200
50213
27230
50490
23075
70361
41144
73169
38079
50352
50776
FRAME, GH3 MAIN
WEIGHT, GROUT HOG COUNTERBALANCE
RELAY, 120V SPDT
HOSEBARB, 1/4 FPT X 3/8
GASKET, GH3 COVER
GUSSET, GH3
WASHER, 5/16 LOCK INT. STAR PLT
SET SCR, 1/4-28 X 1/4 KCP DL
BELT, GH3 DRIVE
PULLEY, GH MOTOR 10L050
NUT, 1/4-20 CAPTIVE (.074 W)
MOTOR, 115V 1/3 HP W/T.O.
SCR, 10-24 X 3/4 PHTC -F-
LABEL, GROUTHOG MAIN
SWITCH, SPDT 20A SNAP-ACTION
WASHER, 3/8 ID INT. LOCK
NUT, 1/2 NPT CONDUIT
LABEL, GH WARNING
LABEL, GROUTHOG ON
-
COVER, SWITCH PROTECTIVE
LABEL, L1500 WARNING
STRAIN RELIEF, 1/2 NPT FLEX
LABEL, GROUTHOG OFF
COVER, GH3 BLUE
LABEL, 115V GH3 WIRING
CORD ASM, 18/3 X 40 SJT, YL GH3
SCR, 10-32 X 1/2 PHTR PLT
HOOK, CORD
STRAIN RELIEF, CORD HOOK
HANDLE, GH MAIN
CARD, GH3 INSTRUCTION
LABEL, FOR SAFETY
GROUTHOG 86038000 05/17/07
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