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OWNER'S MANUAL
This manual contains IMPORTANT
WARNINGS and INSTRUCTIONS
READ AND RETAIN FOR REFERENCE
FULLER O'BRIEN PRO 3515, 4020, 4030
PRO 3515, 5 HP ENGINE
P/N 800–584, Series A
1500 psi (103 bar) OPERA TING PRESSURE
1900 psi (131 bar) MAXIMUM WORKING PRESSURE
PRO 4020, 8 HP ENGINE
P/N 800–585, Series A
2000 psi (138 bar) OPERA TING PRESSURE
2400 psi (165 bar) MAXIMUM WORKING PRESSURE
PRO 4030, 11 HP ENGINE
P/N 800–586, Series A
3000 psi (207 bar) OPERA TING PRESSURE
3400 psi (234 bar) MAXIMUM WORKING PRESSURE
PRO 3515
FULLER O'BRIEN CORPORATION, 450 EAST GRAND AVENUE, SAN FRANCISCO, CA 94080
Pressure Washers
COPYRIGHT 1990, GRACO INC.
TM
PRO 4020
PRO 4030
308-526
Rev A
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Summary of Contents for FULLER O’BRIEN PRO 3515
- Page 1 308-526 Rev A This manual contains IMPORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE FULLER O’BRIEN PRO 3515, 4020, 4030 Pressure Washers PRO 3515, 5 HP ENGINE P/N 800–584, Series A 1500 psi (103 bar) OPERA TING PRESSURE 1900 psi (131 bar) MAXIMUM WORKING PRESSURE PRO 4020, 8 HP ENGINE P/N 800–585, Series A...
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Page 2: Table Of Contents
......... . . Pro 3515 . -
Page 3: Warnings
WARNING HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY. FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS. Read and understand all instruction manuals before operating equipment. FLUID INJECTION HAZARD General Safety Pressure Relief Procedure This pressure washer generates very high fluid To reduce the risk of serious bodily injury, including fluid pressure. - Page 4 EQUIPMENT MISUSE HAZARD General Safety System Pressure Any misuse of the pressure washer or accessories, This sprayer can develop high operating pressures. Be such as overpressurizing, modifying parts, using sure that all spray equipment and accessories are rated incompatible chemicals and fluids, or using worn or to withstand the maximum working pressure of this sprayer.
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Page 5: Installation
PRO 4020 HIGH QUICK PRESSURE HOSE CONNECTION COUPLER SPRAY QUICK COUPLER SPRAY HOSE INLET WATER CONNECTION 3/4” PRO 3515 GARDEN HOSE PRO 4030 HIGH PRESSURE HOSE CONNECTION HIGH PRESSURE HOSE CONNECTION INLET WATER INLET WATER CONNECTION 3/4” CONNECTION 3/4” GARDEN HOSE... -
Page 6: Startup
STARTUP Always use this start–up procedure to ensure that the If the engine is cold, completely close the engine unit is started safely and properly. choke. Grasp the starter rope, brace one foot on the pressure washer chassis and pull rope rapidly and 1. - Page 7 Trigger Safety Latch Installing and Changing Spray Tips WARNING WARNING To reduce the risk of serious bodily injury To reduce the risk of serious bodily injury including fluid injection, splashing in the eyes or including fluid injection or splashing in the eyes on the skin, ALWAYS engage the trigger safety or onto the skin, use extreme caution when latch whenever spraying stops, even for a...
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Page 8: Shutdown, Flushing And Storage
SHUTDOWN, FLUSHING MAINTENANCE AND STORAGE Observing regular maintenance intervals helps ensure WARNING that you get maximum performance and life from the pressure washer. Pressure Relief Procedure To reduce the risk of serious bodily injury There is a break–in period for the engine, pump and gear including fluid injection and splashing in the reducer (if used). -
Page 9: Troubleshooting Chart
TROUBLESHOOTING CHART WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injury from moving parts, always follow the Pressure Relief Procedure Warning before proceeding. PROBLEM CAUSE SOLUTION Engine will not start or No gasoline in fuel tank or carburetor. -
Page 10: Pro 3515
PARTS DRAWING 800–584 PRO 3515 Pressure Washer 308–526... - Page 11 PARTS LIST 800–584 PRO 3515 Pressure Washer PART PART DESCRIPTION DESCRIPTION 803–264 ENGINE, 5 hp, Honda OHV 801–546 SCREW, Cap, hex hd. 802–300 PUMP & GEAR REDUCER 3/8–16 x 1-1/4 ASSEMBLY (incl. 3, 13) 100–023 WASHER, Flat 3/8 802–266 GEAR REDUCER (see page 16) 1 100–133 WASHER, Lock 3/8...
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Page 12: Pro 4020
PARTS DRAWING 800–585 PRO 4020 Pressure Washer 308–526... - Page 13 PARTS LIST 800–585 PRO 4020 Pressure Washer PART PART DESCRIPTION DESCRIPTION 802–998 ENGINE, 8 hp, Honda OHV 801–546 SCREW, Cap, hex hd. 802–299 PUMP & GEAR REDUCER 3/8–16 x 1-1/4 ASSEMBLY (incl. 3, 13) 100–023 WASHER, Flat 3/8 802–143 GEAR REDUCER (see page 18) 1 100–133 WASHER, Lock 3/8 802–127 SCREW, Cap, hex hd.
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Page 14: Pro 4030
PARTS DRAWING 800–586 PRO 4030 Pressure Washer 308–526... - Page 15 PARTS LIST 800–586 PRO 4030 Pressure Washer PART PART DESCRIPTION DESCRIPTION 800–392 GUN & WAND ASSEMBLY (incl. PUMP ASSEMBLY 16, 21, 52, 53, 54, 56, 57) (see page 20) 100–023 WASHER, Flat 5/16 156–082 O–RING, Quick Coupler 3/8 801–941 SCREW, Cap, hex hd. 154–594 O–RING, Quick Coupler 1/4 5/16–18 x 1 801–022 SCREW, Cap, hex hd.
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Page 16: Gear Reducer (3515)
PARTS DRAWING 802–266 Gear Reducer (PRO 3515) PARTS LIST 802–266 Gear Reducer (PRO 3515) PART DESCRIPTION 802–350 GASKET 802–351 COVER, Mounting 802–334 SCREW, Set 802–352 GEAR, Pump 802–353 O–RING 801–659 DIPSTICK 802–354 CASE, Mounting 100–527 WASHER, Lock 802–342 SCREW 802–355 SEAL, Oil 802–356 RING, Snap... - Page 17 GEAR REDUCER SERVICE (PRO 3515) WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injury from moving parts, always follow the Pressure Relief Procedure Warning on page 2 before proceeding.
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Page 18: Gear Reducer (4020)
PARTS DRAWING 802–143 Gear Reducer (PRO 4020) PARTS LIST 802–143 Gear Reducer (PRO 4020) PART DESCRIPTION 802–332 O–RING 802–333 COVER, Mounting 802–334 SCREW, Set 802–335 GEAR, Pump 802–336 GEAR, Engine 802–337 RING, Snap 802–338 BEARING 802–339 RING, Snap 802–340 GASKET 801–475 DIPSTICK 802–341 CASE, Mounting 100–527 WASHER, Lock... - Page 19 GEAR REDUCER SERVICE (PRO 4020) WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injury from moving parts, always follow the Pressure Relief Procedure Warning on page 2 before proceeding. Replacing the Gasket (9) Replacing the Oil Seal (14) NOTE:...
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Page 20: Pump (3515)
PARTS DRAWING 802–265 Pump Assembly, 1500 psi 308–526... - Page 21 PARTS LIST 802–265 Pump Assembly, 1500 psi PART PART DESCRIPTION DESCRIPTION 802–319 MANIFOLD 803–273 SCREW, Cap, socket hd. 801–651 SCREW, Cap, socket hd. KIT 6 O–RING 801–652 WASHER, Lock 802–345 GAUGE, Sight KIT 1 O–RING 802–793 PLUG, Oil Drain KIT 1 SEAT, Valve 803–328 CRANKSHAFT KIT 1...
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Page 22: Pump (4020)
PARTS DRAWING 803–405 Pump Assembly, 2000 psi 308–526... - Page 23 PARTS LIST 803–405 Pump Assembly, 2000 psi PART PART DESCRIPTION DESCRIPTION 801–467 MANIFOLD 803–321 COVER, Crankcase 801–468 SCREW, Cap, hex hd. 802–345 GAUGE, Sight 801–469 WASHER, Lock 802–793 PLUG, Oil Drain KIT 1 O–RING KIT 6 O–RING KIT 1 SEAT, Valve 803–294 SCREW, Cap, socket hd KIT 1 PLATE, Valve...
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Page 24: Pump (4030)
PARTS DRAWING 800–327 Pump Assembly, 3000 psi 308–526... - Page 25 PARTS LIST 800–327 Pump Assembly, 3000 psi PART PART DESCRIPTION DESCRIPTION 801–467 MANIFOLD 801–490 PLUNGER, Ceramic 801–468 SCREW, Cap, hex hd KIT 6 RING, Backup 801–469 WASHER, Lock KIT 6 WASHER KIT 1 O–RING KIT 6 SCREW, Piston KIT 1 SEAT, Valve 803–295 COVER, Crankcase KIT 1...
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Page 26: Pump Service
PUMP SERVICE Servicing the Plungers WARNING To reduce the risk of serious bodily injury NOTE: Plunger repair kit, P/N 801–474 is available to including fluid injection, splashing in the eyes or replace retainers, o–rings, washers and on the skin, or injury from moving parts, always backup rings for three cylinders. -
Page 27: Accessories
Servicing the V–Packings 5. Thoroughly clean the packing cavities and examine for debris or damage. NOTE: There are two types of packing kits: one is packings only, the other includes the packings, 6. Lightly grease the packing cavities and then replace rings and retainers. -
Page 28: Warranty
THE GRACO WARRANTY WARRANTY AND DISCLAIMERS Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twenty four months from date of sale, repair or replace any part of the equipment proven defective.
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