Graco GlasCraft Guardian A Series Use and care manual

REPAIR AND PARTS
Guardian A- Series
Material Pumps
Important Safety Instructions
Read all warnings and instructions in
this manual. Save these instructions.
For use with non-ammable foam and polyurea.
Not for use in explosive atmospheres.

Section 1 General Information
Warnings ................................................................................................................................................................. 3
Assembly Drawings ................................................................................................................................................. 7
Sub Assembly Drawings .......................................................................................................................................... 10
Maintenance ............................................................................................................................................................ 18
Section 2 Technical & Warranty Information
Notes ......................................................................................................................................................................... 23
Graco Warranty .............................................................................................................................. 24
Technical Assistance ...................................................................................................................... 25
Table Of Contents

3
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation
point symbol alerts you to a general warning and the hazard symbol refers to procedure-specic risk. Refer back to these
warnings. Additional, product-specic warnings may be found throughout the body of this manual where applicable.
WARNING
ELECTRIC SHOCK HAZARD
Improper grounding, setup, or usage of the system can cause electric shock.
Turn off and disconnect power cord before servicing equipment.• Use only grounded electrical outlets.• Use only 3-wire extension cords.• Ensure ground prongs are intact on sprayer and extension cords.• Do not expose to rain. Store indoors.•
TOXIC FLUID OR FUMES HAZARD
Toxic uids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or
swallowed.
Read MSDS’s to know the specic hazards of the uids you are using.•
Store hazardous uid in approved containers, and dispose of it according to applicable guide-• lines.
Always wear impervious gloves when spraying or cleaning equipment.•
PERSONAL PROTECTIVE EQUIPMENT
You must wear appropriate protective equipment when operating, servicing, or when in the operating
area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic
fumes, burns, and hearing loss. This equipment includes but is not limited to:
Protective eyewear•
Clothing and respirator as recommended by the uid and solvent manufacturer• Gloves• Hearing protection•
SKIN INJECTION HAZARD
High-pressure uid from gun, hose leaks, or ruptured components will pierce skin. This may look like
just a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment.
Do not point gun at anyone or at any part of the body.• Do not put your hand over the spray tip.•
Do not stop or deect leaks with your hand, body, glove, or rag.• Close material shutoff valves and shutoff or disconnect air supply when not spraying.• Follow• Pressure Relief Procedure in this manual, when you stop spraying and before cleaning,
checking, or servicing equipment.

4
Warnings
WARNING
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help pre-
vent re and explosion:
Use equipment only in well ventilated area.• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic• drop cloths (potential static arc).
Keep work area free of debris, including solvent, rags and gasoline.•
Do not plug or unplug power cords, or turn power or light switches on or off when ammable • fumes are present.
Ground all equipment in the work area. • Use only grounded hoses.•
Hold gun rmly to side of grounded pail when triggering into pail.•
If there is static sparking or you feel a shock, • stop operation immediately. Do not use equip-
ment until you identify and correct the problem.
Keep a working re extinguisher in the work area.•
PRESSURIZED ALUMINUM PARTS HAZARD
Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon
solvents or uids containing such solvents in pressurized aluminum equipment. Such
use can cause serious chemical reaction and equipment rupture, and result in death,
serious injury, and property damage.
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
Do not operate the unit when fatigued or under the inuence of drugs or alcohol.•
Do not exceed the maximum working pressure or temperature rating of the lowest rated system • component. See Technical Data in all equipment manuals.
Use uids and solvents that are compatible with equipment wetted parts. See • Technical Data in
all equipment manuals. Read uid and solvent manufacturer’s warnings. For complete informa-
tion about your material, request MSDS forms from distributor or retailer.
Check equipment daily. Repair or replace worn or damaged parts immediately with genuine • manufacturer’s replacement parts only.
Do not alter or modify equipment.• Use equipment only for its intended purpose. Call your distributor for information.•
Route hoses and cables away from trafc areas, sharp edges, moving parts, and hot surfaces.•
Do not kink or over bend hoses or use hoses to pull equipment.•
Keep children and animals away from work area.• Comply with all applicable safety regulations.•
MOVING PARTS HAZARD
Moving parts can pinch or amputate ngers and other body parts.
Keep clear of moving parts.• Do not operate equipment with protective guards or covers removed.•
Pressurized equipment can start without warning. Before checking, moving, or servicing equip-• ment, follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.
BURN HAZARD
Equipment surfaces and uid that’s heated can become very hot during operation. To avoid
severe burns, do not touch hot uid or equipment. Wait until equipment/uid has cooled completely.

5
Isocyanate Hazard
Spraying materials containing isocyanates creates
potentially harmful mists, vapors, and atomized
particulates.
Read material manufacturer’s warnings and
material MSDS to know specic hazards and
precautions related to isocyanates.
Prevent inhalation of isocyanate mists, vapors, and
atomized particulates by providing sufcient ventila-
tion in the work area. If sufcient ventilation is not
available, a supplied-air respirator is required for
everyone in the work area.
To prevent contact with isocyanates, appropriate
personal protective equipment, including chemically
impermeable gloves, boots, aprons, and goggles, is
also required for everyone in the work area.
Material Self-Ignition
Some materials may become self-igniting if applied
too thickly. Read material manufacturer’s warnings
and material MSDS.
Moisture Sensitivity of
Isocyanates
Isocyanates (ISO) are catalysts used in two component
foam and polyurea coatings. ISO will react with moisture
(such as humidity) to form small, hard, abrasive crystals,
which become suspended in the uid. Eventually a lm will
form on the surface and the ISO will begin to gel, increas-
ing in viscosity. If used, this partially cured ISO will reduce
performance and the life of all wetted parts.
The amount of lm formation and rate of crystal-
lization varies depending on the blend of ISO,
the humidity, and the temperature.
To prevent exposing ISO to moisture:
Always use a sealed container with a desiccant dryer• in the vent, or a nitrogen atmosphere. Never store ISO
in an open container.
Keep the ISO lube pump reservoir lled with Graco • Throat Seal Liquid (TSL), Part 206995. The lubricant
creates a barrier between the ISO and the atmosphere.
Use moisture-proof hoses specically designed for • ISO, such as those supplied with your system.
Never use reclaimed solvents, which may contain•
moisture. Always keep solvent containers closed when
not in use.
Never use solvent on one side if it has been contami-• nated from the other side.
Always park pumps when you shutdown.•
Always lubricate threaded parts with Part 217374 ISO• pump oil or grease when reassembling.
Warnings

6
Keep Components A and B
Separate
CAUTION
To prevent cross-contamination of the equipment’s wet-
ted parts, never interchange component A (isocyanate)
and component B (resin) partrs. The gun is shipped with
the A side on the left. The uid manifold, uid hous-
ing, side seal assembly, check valve cartridge, and mix
chamber are marked on the A side.
Foam Resins with 245 fa
Blowing Agents
New foam blowing agents will froth at temperatures above
90°F (33 °C) when not under pressure, especially if agitat-
ed. To reduce frothing, minimize preheating in a circulation
system.
Changing Materials
When changing materials, ush the equipment mul-• tiple times to ensure it is thoroughly clean.
Always clean the uid inlet strainers after ushing.•
Check with your material manufacturer for chemical • compatibility.
Most materials use ISO on the A side, but some use• ISO on the B side.
Epoxies often have amines on the B (hardener) side.• Polyureas often have amines on the B (resin) side.
Warnings

Section 1 - General Information: Assembly Drawings
7
GC2616 Material Pump Assembly
Ref. Part Description Qty.
1* SCREW, SET, FLAT PT., 3/8-24 2
2 GC0324 EXTENSION, STANDOFF, AIR MOTOR 2
3 GC0325 PLATE, MTG, PUMP 1
4 GC0326 SADDLE, PUMP 1
5 GC0382 EXTENSION, STANDOFF, AIR MOTOR,
5 IN. 4
6 112925 SCREW, CAP, BTN HD 4
7 GC0495 FITTING, ELBOW, SW, 3/8 NPTM X 1/2
TUBE 1
8 GC0736 VALVE, 4-WAY, NO, 3/8 IN. NPTF, 24 VAC 1
9 GC0781 GUARD, SURROUND, LEFT 1
10 GC0782 GUARD, SURROUND, RIGHT 1
11 GC0805 SWITCH, PRESSURE, HIGH 2
12 GC0808 ASSY, PUMP, 1:1 2
14 GC0954 SWITCH, LIMIT, PLUNGER, ROLLER 1
15 GC1692 FITTING, ELBOW, LG, 1-1/16 X 3/4 STL 2
16 GC1737 BRACKET, MOUNTING, PUMP, A5-6000 1
17 GC1994 FITTING, ELBOW, 3/8 NPTM X 3/8 NPTF 3
18 803088 FITTING, PIPE, TEE, ST, 3/8, ZP 2
19 GC2041 WASHER, FLAT, STD 8
20 GC2047 WASHER, FLAT, STD 2
21 GC2052 WASHER, FLAT, STD 2
22 GC2086 NUT, HEX, SELF-LOCK 2
Ref. Part Description Qty.
23 GC2092 NUT, HEX, STD 2
24 GC2107 WASHER, LOCK, SPRING 2
25 GC2109 WASHER, LOCK, SPRING 6
26 GC2119 SCREW, RDHD, CS, .164-32 X 1.250 ZP 2
27 GC2135 SCREW, HEX HD, CS, .375-24 X 1 ZP 2
28 GC2158 FITTING, PIPE, BUSH, 3/8 NPTM X 1/4
NPTF 2
29 GC2173 SCREW, HXHD, CS, .500-13 X 1.250 ZP 4
30 100017 SCREW, CAP, HEX HD 4
31 GC2203 FITTING, CONNECTOR 2
32 GC2228 FITTING, PIPE, NIPPLE, 3/8 NPT X 4 1
33 GC2261 SCREW, SHDC, SS, .500-13 X 1 2
34 GC2267 MOTOR, AIR, 5 IN. 1
35 GC2323 MUFFLER, SILENCER, EXHAUST 2
36 GC0501 FITTING, CONNECTOR 2
37* HOSE, TUBING, POLYU, RED; 0.87 in.
1/4 OD, 1/8 ID 1
38* HOSE, TUBING, POLYU, BLUE; 0.87 in.
1/4 OD, 1/8 ID 1
39 GC0753 VALVE,CONTROL,2-WAY 1
40 GC0927 KIT, SWITCH, RETRACT, 500 SERIES;
includes (36-39) and 25 (2). 1
* Source locally.
40
36
39 25
17
32
35
17
87
9
4
5
2
22
1
34
16
33
10
11
15
15
12
See
Detail A
12
3
31
1828 11
19, 29
21, 20
Mounting bolts and washers
supplied with GC0808
Npt plug supplied
with valve (8) must be
installed in port marked
#2. Elbow tting (17)
must be installed in
port marked #4. 25, 6
30, 19
6, 25
21, 24,
23, 26
Red tubing supplied with
retract switch Blue tubing supplied with
retract switch
Clear tubing supplied with
retract switch
14
Detail A
1
1
1

8
Section 1 - General Information: Assembly Drawings
GC2617 Material Pump Assembly
Ref. Part Description Qty.
101* SCREW, SET, FLAT PT., 3/8-24 THD. 2
102 GC0324 EXTENSION, STANDOFF,AIR MOTOR 2
103 GC0325 PLATE, MTG, PUMP, UNIVERSAL 1
104 GC0326 SADDLE, PUMP 1
105 GC0382 EXTENSION, STANDOFF, AIR MOTOR,
5 IN. 4
106 112925 SCREW, CAP, BTN HD 4.
107 GC0495 FITTING, ELBOW, SW, 3/8 NPTM X 1/2
TUBE 1
108 GC0749 SCREW, SET, CPPT, .500-13 X 1.5 4
109 GC0781 GUARD, SURROUND, LEFT 1
110 GC0782 GUARD, SURROUND, RIGHT 1
111 GC0805 SWITCH, PRESSURE, HIGH 2
112 GC0808 ASSY,PUMP,1:1 2
113 GC2401 VALVE, POPPET, INLINE, 1/2NPT, NC 1
115 GC0954 SWITCH, LIMIT, PLUNGER, ROLLER 1
116 GC1692 FITTING, ELBOW, LG, 1-1/16 X 3/4 STL 2
117 GC1737 BRACKET, MOUNTING, PUMP, A5-6000 1
118 GC1995 FITTING, ELBOW, 1/2 NPTM X 1/2 NPTF 1
119 803088 FITTING, PIPE, TEE, ST, 3/8, ZP 2.
120 GC2041 WASHER, FLAT, STD 4
121 GC2047 WASHER, FLAT, STD 2
Ref. Part Description Qty.
122 GC2052 WASHER, FLAT, STD 2
123 GC2066 FITTING, PIPE, BUSHING 1
124 GC2086 NUT, HEX, SELF-LOCK 2
125 GC2092 NUT, HEX, STD 2.
126 GC2107 WASHER, LOCK, SPRING 2
127 GC2109 WASHER, LOCK, SPRING 4
128 GC2119 SCREW,RDHD,CS,.164-32X1.250ZP 2
129 GC2135 SCREW, HEX HD, CS, .375-24 X 1 2
130 GC2158 FITTING, PIPE, BUSH, 3/8 NPT(M) X 1/4
NPT(F) 2
131 GC2173 SCREW, HEX HD, CS, .500-13 X 1.250 4
132 GC2203 FITTING, CONNECTOR 2
133 GC2227 FITTING, PIPE, NIPPLE,1/2 NPT X 4 1
134 GC2261 SCREW, SHDC, SS, .500-13 X 1 2
135 GC2273 MOTOR,AIR, 6 IN. 1
136 GC2376 FITTING, ELBOW, SWIVEL 1
137 GC0501 FITTING, CONNECTOR 2
138* HOSE, TUBING, POLYU, 1/4, RED; 0.87
in. 1/4 OD, 1/8 ID 1
139* HOSE, TUBING, POLYU, 1/4, BLUE; 0.87
in. 1/4 OD, 1/8 ID 1
140 GC0928 KIT, SWITCH, RETRACT, 600 SERIES;
includes items 127 and 136-139 1
* Source locally.
Mounting bolts and washers
supplied with GC0808
122, 125
126, 128
127 101
108
117
111
120, 131
134
110
106
126
115
116
116
112
112
132
130 111
109
104
124
105
102
135
118
113
123 133
140
107
See
Detail A
119
121, 129
Red tubing (138)
supplied with retract
switch
Blue tubing (139) supplied
with retract switch
Clear tubing supplied with
retract switch
Detail A

9
Section 1 - General Information: Assembly Drawings
GC2618 Material Pump Assembly
GC1692
GC1692
207, 224
214
205
205
230
217
227
212
210
203
204
221
206
202
See
Detail A
218, 228
212
211
232
215
233
240
201
208
209
216
234 231
216
219, 229
219, 226
207, 224
220, 222
223, 225
236 (Red tubing) 237 (Blue tubing)
(Clear tubing)
Detail A
Ref.
No. Part Description Qty.
201* SCREW, SET, FLAT PT., 3/8-24 2
202 GC0324 EXTENSION, STANDOFF, AIR MOTOR 2
203 GC0325 PLATE, MTG, PUMP, UNIVERSAL 1
204 GC0326 SADDLE,PUMP 1
205 GC0329 ASSY, PUMP, FLUID 2
206 GC0382 EXTENSION, STANDOFF, AIR MOTOR,
5 IN. 4
207 112925 SCREW, CAP, BTN HD 4
208 GC0495 FITTING, ELBOW, SW, 3/8 NPT(M) X
1/2 TUBE 1
209 GC0736 VALVE, 4-WAY, NO, 3/8 IN. NPT(F), 24
VAC 1
210 GC0781 GUARD, SURROUND, LEFT 1
211 GC0782 GUARD, SURROUND, RIGHT 1
212 GC0805 SWITCH, PRESSURE, HIGH 2
214 GC0954 SWITCH, LIMIT, PLUNGER, ROLLER 1
215 GC1737 BRACKET, MOUNTING, PUMP, A5-
6000 1
216 GC1994 FITTING, ELBOW, 3/8 NPT(M) X 3/8
NPT(F) 3
217 803088 FITTING, PIPE, TEE, ST, 3/8, ZP 2
218 GC2041 WASHER, FLAT, STD 8
219 GC2047 WASHER, FLAT, STD 2
220 GC2052 WASHER, FLAT, STD 2
221 GC2086 NUT, HEX, SELF-LOCK 2
Ref.
No. Part Description Qty.
222 GC2092 NUT, HEX, STD 2
223 GC2107 WASHER, LOCK, SPRING 2
224 GC2109 WASHER, LOCK, SPRING 6
225 GC2119 SCREW, RDHD, CS, .164-32 X 1.250
ZP 2
226 GC2135 SCREW,HEX HD, CS, .375-24 X 1 ZP 2
227 GC2158 FITTING, PIPE, BUSHING, 3/8 NPT(M)
X 1/4 NPT(F) 2
228 GC2173 SCREW, HEX HD, CS,.500-13-
X1.250ZP 4
229 100017 SCREW, CAP, HEX HD 4
230 GC2203 FITTING, CONNECTOR 2
231 GC2228 FITTING, PIPE, NIPPLE, 3/8 NPT X 4 1
232 GC2261 SCREW, SHDC, SS, .500-13 X 1 2
233 GC2267 MOTOR,AIR, 5 IN. 1
234 GC2323 MUFFLER, SILENCER, EXHAUST 2
236* HOSE, TUBING, POLYU, 1/4, RED;
1.083 in., 1/4 OD, 1/8 ID 1
237* HOSE, TUBING, POLYU, 1/4, BLUE;
1.083 in., 1/4 OD, 1/8 ID 1
240 GC0927 KIT, SWITCH, RETRACT, 500 SERIES;
includes 224, 236, and 237 1
* Source locally.
Npt plug supplied with
valve (209) must be
installed in port marked
#2. Elbow tting (216)
must be installed in
port marked #4.
1
1
1

10
Section 1 - General Information: Sub Assembly Drawings
GC0329 Fluid Section Assembly
308
301
315
316
322
320
309
302
310
307
305
306
302
304
313
302
311
314
325
310
326
312
306
329
318
324 303
323
327
321
319
317

11
GC0819 REPAIR KIT
Ref.
No. Part Description Qty.
326 GC2291 GUIDE, PISTON, NYLON 1
302 GC0049 O-RING 3
303 GC0050 O-RING 1
310 GC0745 SEAL, PUMP, URETHANE, 1:1 2
315 GC0868 RETAINER, PACKING, 1:1 1
316 GC0872 WIPER, FELT, 1:1 4
Section 1 - General Information: Sub Assembly Drawings
GC0329 Fluid Section Parts List
Ref.
No. Part Description Qty.
301 GC0015 RETAINER, RING 1
302 GC0049 O-RING 3
303 GC0050 O-RING 1
304 GC0229 CYLINDER, PUMP 1
305 GC0231 HEAD, PUMP, AIRLESS 1
306 GC0233 ROD, TIE, PUMP 4
307 GC0237 WASHER, SUPPORT, CUP, UPPER 1
308 GC0323 SHAFT, PUMP 1
309 GC0711 ADAPTER, CUP, SOLVENT 1
310 GC0745 SEAL, PUMP, URETHANE, 1:1 2
311 GC0746 HOUSING, TRANSFER, 1:1 1
312 GC0747 SEAT, HOUSING, TRANSFER, 1:1 1
313 GC0748 SHAFT, PUMP, 1:1 1
314 GC0778 SPRING, COMPRESSION 1
315 GC0868 RETAINER, PACKING, 1:1 1
316 GC0872 WIPER, FELT, 1:1 4
317 GC1692 FITTING, ELBOW, LG, 1-1/16 X 3/4
STL 1
318 GC1971 PIN, ROLL, 1/8 DIA X 1-3/16 1
319 GC2097 NUT, HEX, STD, 3/8-16, UNC 4
320 GC2110 WASHER, LOCK, SPRING 4
321 GC2113 WASHER,LOCK,SPRING,3/8 4
322 GC2255 SCREW,SHDC,CS,.313-18X1.500 ZP 4
Ref.
No. Part Description Qty.
323 GC2276 SEAT, VALVE, FOOT 1
324 GC2277 BALL 1
325 GC2278 BALL 1
326 GC2291 GUIDE, PISTON, NYLON 1
327 GC2317 BASE, PUMP, 33:1 1
329 GC2391 HOUSING, VALVE, FOOT 1

12
Section 1 - General Information: Sub Assembly Drawings
GC0808 Fluid Section Assembly
410
401
418
417
422
420 411
412
402
407
405
406
404
415
402
402
416
425
412
426
414
419
421
427
406
409
408
424 403
423
413

13
Section 1 - General Information: Sub Assembly Drawings
GC0808 Fluid Section Parts List
Ref.
No. Part Description Qty.
401 GC0015 RETAINER, RING 1
402 GC0049 O-RING 3
403 GC0050 O-RING 1
404 GC0229 CYLINDER, PUMP 1
405 GC0231 HEAD, PUMP, AIRLESS 1
406 GC0233 ROD, TIE, PUMP 4
407 GC0237 WASHER, SUPPORT, CUP, UPPER 1
408 GC0306 SPRING, COMPRESSION 1
409 GC0307 HOUSING, VALVE, FOOT 1
410 GC0323 SHAFT, PUMP 1
411 GC0711 ADAPTER, CUP, SOLVENT 1
412 GC0745 SEAL, PUMP, URETHANE, 1:1 2
413 GC0746 HOUSING, TRANSFER, 1:1 1
414 GC0747 SEAT, HOUSING, TRANSFER, 1:1 1
Ref.
No. Part Description Qty.
415 GC0748 SHAFT, PUMP, 1:1 1
416 GC0778 SPRING, COMPRESSION 1
417 GC0868 RETAINER, PACKING, 1:1 1
418 GC0872 WIPER, FELT, 1:1 4
419 GC2097 NUT, HEX, STD, 3/8-16, UNC 4
420 GC2110 WASHER, LOCK, SPRING 4
421 GC2113 WASHER, LOCK, SPRING 4
422 GC2255 SCREW, SHDC, CS, .313-18 X 1.5 ZP 4
423 GC2276 SEAT, VALVE, FOOT 1
424 GC2277 BALL 1
425 GC2278 BALL 1
426 GC2291 GUIDE, PISTON, NYLON 1
427 GC2317 BASE, PUMP, 33:1 1
GC0819 REPAIR KIT
Ref.
No. Part Description Qty.
426 GC2291 GUIDE, PISTON, NYLON 1
402 GC0049 O-RING 3
403 GC0050 O-RING 1
412 GC0745 SEAL, PUMP, URETHANE, 1:1 2
417 GC0868 RETAINER, PACKING, 1:1 1
418 GC0872 WIPER, FELT, 1:1 4

14
Section 1 - General Information: Sub Assembly Drawings
GC0809 Fluid Section Assembly
519
517
525
518
522
523
520
529
527
521
515
509
504
506
510
524
516
513
501
503
501
511
514 532
510
533
512
505 508
507
531
502
530
528
526
534

15
Section 1 - General Information: Sub Assembly Drawings
GC0809 Fluid Section Parts List
GC0820 REPAIR KIT
Ref.
No. Part Description Qty.
501 GC0049 O-RING 2
502 GC0050 O-RING 1
510 GC0745 SEAL,PUMP,URETHANE,1:1 2
522 GC1928 O-RING; FLUOROELASTOMER 2
523 GC1929 O-RING; FLUOROELASTOMER 1
524 GC1930 O-RING FLUOROELASTOMER 1
525 GC1934 O-RING FLUOROELASTOMER 1
533 GC2291 GUIDE, PISTON, NYLON 1
Ref.
No. Part Description Qty.
501 GC0049 O-RING 2
502 GC0050 O-RING 1
503 GC0229 CYLINDER, PUMP 1
504 GC0231 HEAD, PUMP, AIRLESS 1
505 GC0233 ROD, TIE, PUMP 4
506 GC0237 WASHER, SUPPORT, CUP, UPPER 1
507 GC0306 SPRING, COMPRESSION 1
508 GC0307 HOUSING, VALVE, FOOT 1
509 GC0430 FITTING, ELBOW, 1/4NPT(M) X 3/8
TUBE SS 2
510 GC0745 SEAL, PUMP, URETHANE, 1:1 2
511 GC0746 HOUSING, TRANSFER, 1:1 1
512 GC0747 SEAT, HOUSING, TRANSFER,1:1 1
513 GC0748 SHAFT,P UMP, 1:1 1
514 GC0778 SPRING, COMPRESSION 1
515 GC1834 SPRING, COMPRESSION; .360 IN. OD 2
516 GC1836 ADAPTER, SOLVENT CUP 1
Ref.
No. Part Description Qty.
517 GC1837 INSERT, SOLVENT CUP 1
518 GC1838 PISTON, RECIRCULATION 1
519 GC1839 SHAFT, PUMP 1
520 GC1841 SPRING, COMPRESSION; 1.218 IN.
OD 1
521 GC1843 BALL,S TEEL, 3/8 IN. OD 2
522 GC1928 O-RING; FLUOROELASTOMER 2
523 GC1929 O-RING; FLUOROELASTOMER 1
524 GC1930 O-RING; FLUOROELASTOMER 1
525 GC1934 O-RING; FLUOROELASTOMER 1
526 GC2097 NUT, HEX, STD, 3/8-16, UNC 4
527 GC2110 WASHER, LOCK, SPRING 4
528 GC2113 WASHER, LOCK, SPRING 4
529 GC2256 SCREW, SHDC, SS, .313-18 X 1.875 4
530 GC2276 SEAT, VALVE, FOOT 1
531 GC2277 BALL 1
532 GC2278 BALL 1
533 GC2291 GUIDE, PISTON, NYLON 1
534 GC2317 BASE, PUMP, 33:1 1

16
Section 1 - General Information: Sub Assembly Drawings
GC2267 5 in. Air Motor Assembly
Not all repair parts are listed. See GlasCraft Air Mo-
tor Repair Kit manual 3A0393 for all repair parts.
Not all repair parts are listed. See GlasCraft Air Mo-
tor Repair Kit manual 3A0393 for all repair parts.
GC2273 6 in. Air Motor Assembly
609
709
608
604
710
611
705
708
707
610
GC2267 REPAIR KIT
Ref.
No. Description Qty.
604 ROD, PISTON 1
608 VALVE, SHIFTING 1
609 VALVE, SLAVE 1
610 BUSHING, ROD 1
611 VALVE, STROKE SIGNAL 1
GC2273 REPAIR KIT
Ref.
No. Description Qty.
705 ROD, PISTON 1
707 VALVE, SHIFTING 1
708 VALVE, MAIN 1
709 BUSHING, ROD 1
710 VALVE, STROKE SIGNAL 1

17
Fluid Section Maintenance & Overhaul
Procedure
Daily Routine Maintenance
1. Visually inspect the system for leaks.
2. Check desiccant dryer beads to insure they are
still purple and have not changed to pink.
3. Check and lube top of the uid section.
Wipe off residual material
and add a tablespoon
of throat seal liquid (TSL).
Weekly Maintenance
1. Place a small amount of grease on the air motor
shaft.
2. See related manuals.
Overhaul Procedure
GC0329 (-01) Pumps / GC0808 Pumps
1. Dump pressure off system
Be sure the air and power are off to system.
This is achieved by removing side blocks from the gun,
opening ball valves and purging materials into clean
containers.
2. Flush system side to be rebuilt with suitable solvent.
Step three is optional, but it makes the process easier.
3. Disconnect inlet and outlet ttings from the pump.
a. Remove outlet hose
b. Remove inlet hose
4. Disconnect the din connector from over pressure switch.
a. Remove plug
b. Remove Switch from tting.
Section 1 - General Information: Maintenance

18
Do not immerse Over Pressure Valve in solvents
externally. (Flushing will not affect).
5. Remove pump from base.
a. Remove nylon Lock
nut from yoke.
b. Remove four bolts
Breaking Down Pump
1. Remove four nuts at the base of pump break loose,
in a criss-cross pattern.
On P/N GC0808 pumps, watch out for GC2276,
GC2277, and GC0306. The spring will push these parts
out. Observe which side of the GC2276 comes out, Keep
right side up for diagnostics.
2. Remove Base from Tie Rods.
3. Remove Valve Housing from the cylinder.
P/N GC2391 on GC0329 pump.
P/N, GC0307 on GC0808 pump.
4. Using a rubber mallet, tap shaft out through the
bottom of the cylinder.
5. a. Remove cylinder, P/N GC0229 from pump head
P/N GC0231.
b. Remove Cup Adapter, P/N GC0711 from pump head
P/N GC0231.
Section 1 - General Information: Maintenance

19
Disassemble Sub-Assemblies
1. Cup Adapter, P/N GC0711.
a. Remove Support Washer, P/N GC0237.
b. Remove Seal, P/N GC0745.
c. Remove Snap Ring, P/N GC0015, Nylon Washer,
P/N GC0868, & Felt Wipers, P/N GC0872.
2. Shaft Assembly:
a. Remove P/N GC0747, Transfer Seat from
P/N GC0746, Transfer Housing.
P/N GC2278, Ball is loaded with spring tension.
b. Remove GC2291, Piston Guide and P/N GC0745
Pump Seal.
Cleaning
1. Thoroughly wash all parts in suitable solvent.
2. If parts have any build-up of hardened material, it is
acceptable to polish parts with ne sand paper,
(1200 grit) or steel wool(000).
3. It is recommended that the cylinder be honed with a ne
grit bead honer, (P/N RK5-2).
Inspection
1. The Pump Cylinder, P/N GC0229 inner wall should be
smooth. No pitting or scarring should be seen. If slight
scars show in the wall, they must not be able to be felt
with a nger nail.
2. The Pump Shaft, P/N GC0748 must not have any
scoring, pitting, or build up of any debris on the shaft.
3. Set the Ball, P/N GC2278 in the Seat, P/N GC0747
and hold up to a light. Observe for light between the seat
surface and the ball.
If a large sliver of light shows, check for debris or
scaring on Seat or Ball.
4. P/N GC2277 & P/N GC2276 repeat the above step.
The GC2276 is reversible, you can use either side.
Section 1 - General Information: Maintenance

20
Re-Assemble
All parts underlined are contained in Repair Kit.
1. Soak P/N GC0872 in a light weight, non detergent
oil, then install in P/N GC0711.
2. Install P/N GC0868, push down and install Snap
Ring P/N GC0015 in groove.
3. On bottom side of P/N GC0711 install
P/N GC0745 so that the lip faces out
4. Lubricate and install O-Ring, P/N GC0049 on
bottom groove.
5. Install P/N GC0237 with lip facing toward the seal
P/N GC0745.
6. Place P/N GC0745 Seal and P/N GC2291 guide on
P/N GC0746. The lips of the Seal will face away from
P/N GC2291.
7. Set P/N 21803-00 spring in P/N GC0746 housing and
set GC2278 ball on Spring.
8. Apply blue lock-tite to the threads of P/N GC0747 and
install on P/N GC0746. Tighten these two parts!
Section 1 - General Information: Maintenance