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Repair
™
GMAX
3400
Airless Sprayers
Korean patent: 10-0647761
- For Portable Airless Spraying of Architectural Coatings and Paints
3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure
Read all warnings and instructions
ti5944a
✓
248664
248666
310802
309250
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2005, Graco Inc. is registered to I.S. EN ISO 9001
ti5447a
ti5523a
✓
✓
✓
311861
309640
310813D
-
ti5944a
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Related Manuals for Graco 310813D
Summary of Contents for Graco 310813D
- Page 1 3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure Read all warnings and instructions ti5944a ti5523a ✓ 248664 ✓ 248666 310802 311861 309250 309640 Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2005, Graco Inc. is registered to I.S. EN ISO 9001 ti5447a ✓ ✓ 310813D ti5944a...
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Page 2: Table Of Contents
Graco Standard Warranty ....26 CAUTION CAUTION: a potentially hazardous situation which, if not avoided, may result in property damage or destruction of equipment. Note Additional helpful information. Manual Conventions 310813D... -
Page 3: Warning
• Do not operate equipment with protective guards or covers removed. • Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure in this manual. Disconnect power or air supply. 310813D WARNING Warning... - Page 4 Protective eyewear • Clothing and respirator as recommended by the fluid and solvent manufacturer • Gloves • Hearing protection RECOIL HAZARD Brace yourself; gun may recoil when triggered and cause you to fall, which could cause serious injury. WARNING Warning 310813D...
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Page 5: Maintenance
Honda Engines Owner's Manual, supplied. DAILY: Check engine oil level and fill as necessary. DAILY: Check hose for wear and damage. 310813D Maintenance DAILY: Check gun safety for proper operation. DAILY: Check pressure drain valve for proper operation. -
Page 6: Troubleshooting
At 70° F, the resistance must be between 1.2 +0.2Ω; if not, replace pinion housing. Have pressure control checked by authorized Graco dealer Adjust or replace clutch. Page 9. Repair or replace pinion assembly. Page 9. 310813D... - Page 7 Fluid is spitting from gun Pump is difficult to prime Clutch squeaks each time clutch engages High engine speed at no load 310813D Cause Strainer (16) is clogged Piston ball (206) is not seating Piston packings are worn or damaged O-ring (227) in pump is worn or damaged Replace o-ring.
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Page 8: Drive Housing And Connecting Rod
Install screws (18) in drive housing. Torque evenly to note 3 value in Fig. 1. Install pump. Refer to Displacement Pump, Installation, page 14. ti5527a Pack with bearing grease 110293 Torque to 130 - 150 in-ib (14 - 16.9 N m ti5990a Steel Copper 310813D... -
Page 9: Pinion Assembly/Clutch Armature/Clamp
Remove four screws (41) and lock washers (34). Install two screws in threaded holes (E) in rotor. Alternately tighten screws until rotor comes off. 310813D . 5. Remove retaining ring (50d). Turn pinion assembly over and tap pinion shaft (50c) out with plastic mallet. -
Page 10: Clamp Removal
12. F . 4. Connect clutch (A) and clutch (B) connectors to control board. Face of clutch housing 1.550 ±.010 in. (39.37±.25 mm) Torque to 125 ±.10 in-lb (14 ±1.1 N·m) Chamfer this side ti6199a Pinion Assembly/Clutch Armature/Clamp ti5988a 310813D... -
Page 11: Clutch Housing
. 11. Disconnect all necessary wiring. . 12. Remove two locknuts (3) and screws (2) from base of engine. Lift engine carefully and place on work bench. Green . 11 310813D Clutch Housing . 10 Engine To the field To the engine Ground . -
Page 12: Pressure Control
Install new ON/OFF switch (71) so tabs of switch snap into place on inside of cover. Connect ON/OFF switch connector (B) to PC board. Swing up cover (77) and secure with two screws (91). To Engine ti5538a Pressure Control 310813D... -
Page 13: Control Board
(77). Disconnect lead (D) from control board (90). Loosen set screws on potentiometer knob (68) and remove knob, shaft nut, lock washer and potentiometer (70). Remove seal (69) from potentiometer. 310813D Control Board • Lead (E) from transducer •... -
Page 14: Displacement Pump
(8). ti5541a . 15 Displacement Pump . 16. Loosen jam nut by hitting firmly with a 20 oz hammer. Unscrew pump. . 16 Repair See manual 309250 for pump repair instructions Displacement Pump ti5545a 310813D... - Page 15 1/8 to 1/4 turn with a 20 oz (maximum) hammer to approximately 75 ±5 ft-lb (102 N·m). Connect hose (93). 310813D . 18 . 19. Fill packing nut with Graco TSL until fluid flows onto the top of seal. Install pail hook (9).
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Page 16: Parts
Parts Drawing - GMAX 3400 Hi-Boy Sprayers DETAIL A Ref 46 Ref 19 DETAIL A FOR PARTS SEE PAGE 22 Parts ti5524a (Ref 93) Bottom View See parts page 18 Parts 310813D... - Page 17 101682* SCREW, cap, sch 112827 BUTTON, snap 192027 SLEEVE, cart 108068 PIN, spring straight 183350 WASHER, 245245 HANDLE, cart 310813D Ref. Part No. Description 109032 SCREW, mach, pnh Qty. 287483 HOUSING, drive, 3400 includes 9, 10, 18 & grease 110293...
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Page 18: Pinion Housing
Parts Drawing and List - Pinion Housing Ref No. 50: Pinion Housing Part No. Description PINION HOUSING 287482 KIT, repair, coil 105489 PIN 50c* 287485 PINION SHAFT 50d* 113094 RETAINING RING, large * Must be ordered separately ti5539a Parts 310813D... - Page 19 Parts Notes 310813D...
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Page 20: Gmax 3400 Lo-Boy Sprayers
Parts Drawing - GMAX 3400 Lo-Boy Sprayers DETAIL A Ref 46 Ref 19 DETAIL A ti5525a FOR PARTS SEE PAGE 22 (Ref 93) Bottom View See parts page 18 Parts 310813D... - Page 21 101682* SCREW, cap, sch 112827 BUTTON, snap 192027 SLEEVE, cart 108068 PIN, spring straight 183350 WASHER 245245 HANDLE, cart 310813D Part No. Description 109032 SCREW, mach, pnh 287483 HOUSING, drive, 3400 includes 9, 10, 18 & grease 110293 287376 HOUSING, pinion, 3400...
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Page 22: Pressure Control/Filter Assembly
Pressure Control/Filter Assembly GMAX 3400 Sprayers 50 CLUTCH (A) 50 CLUTCH (B) (A) to1 Engine ti5540a Pressure Control/Filter Assembly 310813D... -
Page 23: Pressure Control Wiring Diagram
15E284 HOUSING, filter 287285 CAP, filter, includes 28, 58 117285 O-RING 111457 O-RING Pressure Control Wiring Diagram TO ENGINE ON/OFF SWITCH 310813D Ref. Part Qty. 248314 PLUG, auto clean, includes 66 15D541 SEAL, washer 116167 KNOB, potentiometer 198650 SPACER, shaft 241443 POTENTIOMETER;... -
Page 24: Complete Sprayers
1/4 npsm(m) x 1/4 npsm(f) swivel; 3 ft (0.9 m); spring guards both ends 288420 CONTRACTOR II SPRAY GUN Includes RAC X 517-size SwitchTip and HandTite Guard See 311861 for parts Complete Sprayers - with RAC X Tip, Gun & Hose ti5989a 310813D... -
Page 25: Technical Data
Pump inlet size Fluid outlet size Wetted parts Sprayer (without hose and gun) 248664 Hi-Boy 248666 Lo-Boy 310813D Technical Data PTFE, Nylon, polyurethane, UHMW polyethylene, fluo- roelastomer, acetal, leather, aluminum, tungsten carbide, nickel- and zinc-plated carbon steel, stainless steel, chrome plating Dimensions Weight lb (kg) Height in. -
Page 26: Graco Standard Warranty
Graco reserves the right to make changes at any time without notice. English GN 310813 MM 310813 Graco Headquarters: Minneapolis International Offices: Belgium, Korea, China, Japan GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 http://www.graco.com Written in U.S.A. 2/2005, Rev 05/2009 310813D...