User manual GRACO PRO 4020 REV A 308-516

[. . . ] OWNER'S MANUAL This manual contains IMPORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE 308-516 Rev A FULLER O'BRIENR PRO 3515, 4020, 4030 Pressure Washers TM PRO 3515 P/N 800­558, Series A 1500 psi (103 bar) OPERATING PRESSURE 1900 psi (131 bar) MAXIMUM WORKING PRESSURE PRO 4020 P/N 800­559, Series A 2000 psi (138 bar) OPERATING PRESSURE 2400 psi (165 bar) MAXIMUM WORKING PRESSURE PRO 4030 P/N 800­560, Series A 3000 psi (207 bar) OPERATING PRESSURE 3400 psi (234 bar) MAXIMUM WORKING PRESSURE FULLER O'BRIEN CORPORATION, 450 EAST GRAND AVENUE, SAN FRANCISCO, CA 94080 ECOPYRIGHT 1990, GRACO INC. INDEX Warnings . Back Cover TERMS WARNING: Alerts user to avoid or correct conditions that could cause bodily injury. CAUTION: Alerts user to avoid or correct conditions that could cause damage to or destruction of equipment. NOTE: Identifies helpful procedures and information. HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY. [. . . ] 16) 3 3 801­202 O­RING, Female Coupler 1/4 803­350 GUN, Spray 1 801­941 SCREW, Cap, hex hd. 5/16­18 x 1 4 1 801­935 WAND, 20" 4 801­235 WASHER, Flat 5/8 2 801­880 PIN, Cotter 1/8 x 1-1/2 2 104­811 HUB CAP 106­062 WHEEL & TIRE ASSEMBLY 2 802­139 AXLE 1 801­546 SCREW, Cap, hex hd. 3/8­16 x 1-1/4 5 6 801­015 WASHER, Flat 3/8 1 801­957 SLEEVE, 18" 803­405 PUMP ASSEMBLY, 2000 psi (see page 22) 1 801­541 HANDLE 1 800­561 FRONT LEG ASSEMBLY (incl. 25, 26, 62, 63, 64) 1 4 801­363 WASHER, Lock 3/8 4 801­878 NUT, Hex 3/8­16 REF NO. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 PART NO. 800­562 801­548 800­173 800­174 402­278 803­083 801­729 801­730 802­143 181­867 802­299 801­709 801­907 801­905 801­868 802­315 801­103 801­137 802­124 801­523 801­622 800­115 800­113 801­111 801­110 801­112 802­627 801­367 803­492 801­499 801­504 800­564 801­023 DESCRIPTION QTY CHASSIS 1 4 GROMMET, Rubber TIP ASSEMBLY, 15 Degree (incl. 13, 40) 1 PLUG, Plastic 1 LABEL, Keep From Freezing 1 1 TIP, Spray 15 Degree 1 TIP, Spray 0 Degree GEAR REDUCER (see page 18) 1 LABEL, Warning, ventilation 1 PUMP & GEAR REDUCER ASSEMBLY (incl. 1/4 1 1 WASHER, Flat ADAPTER, 3/8 G x 3/8 NPT 1 NIPPLE, Hex 3/8 1 UNLOADER, 2000 psi 1 NIPPLE, Hex 3/8 x 1/4 2 1 KEY, Square 1/4 x 2 HOSE, Bypass (incl. 59) 1 NIPPLE, 1/2 x 2 1 CROSS, 1/2 1 VALVE, Thermal Relief 1 FILTER 1 1 NUT, Garden Hose ADAPTER, Garden Hose 1 STRAINER, Garden Hose 1 NIPPLE, Hex 3/8 NPSM x 1/4 NPT 1 BUMPER, Rubber 2 1 BRACKET, Support 1 NUT, Lock 3/8­16 BUMPER, Rubber 1 BRACKET, Front Leg 1 14 WASHER, Flat 5/16 PARTS DRAWING 51 800­560 PRO 4030 Pressure Washer 1 52 49 61 69 66 53 2 48 66 69 45 60 46 47 41 69 43 25 27 29 31 18 24 32 3 76 71 44 59 74 73 42 79 26 23 28 30 57 4 50 69 66 66 57 39 36 82 40 66 69 33 58 71 69 66 54 55 78 77 67 35 34 70 64 62 5 69 66 66 69 71 63 6 17 65 11 12 16 66 69 71 68 37 38 81 75 21 22 81 7 72 14 10 9 13 19 8 20 15 PARTS LIST REF NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 800­560 PRO 4030 Pressure Washer PART NO. DESCRIPTION QTY 1 803­158 ENGINE, 11 HP, Honda 800­327 PUMP ASSEMBLY, 3000 psi (see page 24) 1 800­563 CHASSIS 1 801­539 BUMPER 1 801­541 HANDLE 1 801­556 AXLE 1 2 801­550 WHEEL & TIRE ASSEMBLY 1 800­565 FRONT LEG ASSEMBLY 801­531 SCREW, Cap, hex hd 3/8­16 x 7 1 801­015 WASHER, Flat 1 1 801­499 NUT, Lock 3/8­16 1 800­564 LEG, Front 801­506 BOOT 1 1 801­504 BUMPER, Rubber 1 801­505 RETAINER, Spring 801­593 SPRING 1 801­521 BRACKET, Rail Stiffener 1 1 802­016 PLATE, Rail Stiffener 800­375 HOSE ASSEMBLY, w/couplers 1 1 801­571 HOSE, High Pressure 50' 1 801­568 COUPLER, Male 3/8 1 801­569 COUPLER, Female 3/8 1 800­314 TIP ASSEMBLY, 0 Degree 801­090 COUPLER, Male 1/4 1 1 803­106 TIP, 0 Degree 1 800­315 TIP ASSEMBLY, 15 Degree 1 803­107 TIP, 15 Degree 1 800­316 TIP ASSEMBLY, 25 Degree 1 803­108 TIP, 25 Degree 1 800­317 TIP ASSEMBLY, 40 Degree 803­109 TIP, 40 Degree 1 5 801­548 GROMMET, Rubber 1 800­393 GUN & WAND ASSEMBLY 1 803­350 GUN, Spray 1 801­134 WAND, 32" 1 801­009 COUPLER, Female 1/4 1 801­569 COUPLER, Female 3/8 801­603 NIPPLE, Hex 3/8 1 1 801­957 SLEEVE, 18" 802­851 HANDLE 1 1 803­494 COVER, Belt Guard 1 803­493 BASEPLATE, Belt Guard 1 801­004 PULLEY, Pump REF NO. 44 45 46 47 48 49 50 51 52 53 54 55 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 81 82 PART NO. 801­135 803­160 801­898 801­137 801­285 801­217 803­498 802­363 802­381 801­141 801­129 801­130 801­941 801­940 801­210 801­559 801­022 803­298 801­546 801­605 801­015 801­023 801­606 801­363 801­025 801­875 801­024 801­020 801­922 800­156 801­612 801­608 801­610 801­367 801­676 802­521 801­202 DESCRIPTION QTY HUB, Pump 1 1 PULLEY, Engine HUB, Engine 1 KEY 1 2 BELT, Drive BUMPER, Rubber 1 LABEL, belt guard 1 LABEL, Caution 1 LABEL, Warning, ventilation 1 LABEL, Warning, belt guard 1 LABEL, Warning, chassis 1 LABEL, Warning, chassis 1 SCREW, Cap, hex hd 5/16­18 x 1 7 SCREW, Cap, hex hd 5/16­18 x 3/4 1 SCREW, Cap, hex hd M8 x 16 1 SCREW, Cap, hex hd M8 x 30 4 SCREW, Cap, hex hd 5/16­18 x 1-3/4 4 SCREW, Cap, hex hd 5/16­18 x 3-1/2 1 SCREW, Cap, hex hd 3/8­16 x 1-1/4 4 SCREW, Machine, hex hd 1 #10­24 x 3/4 4 WASHER, Flat 3/8 20 WASHER, Flat 5/16 1 WASHER, Flat #10 4 WASHER, Lock 3/8 20 WASHER, Lock 5/16 WASHER, Lock #10 1 7 NUT, Hex 5/16­18 2 NUT, Lock 1/2­13 3 NUT, Flange 5/16­18 1 NUT, Flange 5/16­18 2 WASHER, Flat 1/2 PIN, Roll 3/16 x 1/2 1 BRACKET, Bumper 1 BUMPER, Rubber 1 4 SPACER, Pump O­RING, Female Coupler 3/8 1 O­RING, Female Coupler 1/4 1 PARTS DRAWING 802­266 Gear Reducer (3515) 10 9 6 12 13 14 11 8 20 19 3 7 16 5 4 2 1 15 17 18 8 PARTS LIST 802­266 Gear Reducer (3515) REF NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PART NO. 802­350 802­351 802­334 802­352 802­353 801­659 802­354 801­023 802­342 802­355 802­356 802­357 802­358 802­359 801­484 802­344 802­345 802­331 802­360 801­139 DESCRIPTION GASKET COVER, Mounting SCREW, Set GEAR, Pump O­RING DIPSTICK CASE, Mounting WASHER, Lock SCREW SEAL, Oil RING, Snap RING, Snap BEARING GEAR, Engine CAP, G 3/8 BSP O­RING GAUGE, Sight BOLT, 5/16­24 x 1" SCREW WASHER, Lock QTY 1 1 1 1 1 1 1 8 4 1 1 1 1 1 1 1 1 4 4 4 GEAR REDUCER SERVICE (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. Replacing the O­Ring 1. Remove the four bolts and lockwashers, and the four washers, bumpers, and bolts. Then pull the pump and gear reducer assembly off the engine. Drain the gear reducer oil by placing a container under it and removing the drain plug with a 22 mm wrench. Remove the four screws and lockwashers with a 6 mm wrench and pull the gear case of f the gear cover. Lightly coat the new o­ring with grease and install it in the gear case. Follow steps 4 through 6 under Assembling the Gear Reducer if this is all the service required. Replacing the Oil Seal NOTE: The oil seal MUST be replaced if removed. Follow steps 1 and 2 under Replacing the O­Ring. [. . . ] Carefully pull the packing retainer from the manifold. Examine the o­ring and replace it if it is cut or damaged. Pull out the intermediate retainer ring. Remove the second v­packing and second head ring. [. . . ]