Page 2 - WARNING; HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY.; General Safety
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 This pressure washer generates very high fluidpressure. Spray from the gun, leaks or ru...
Page 3 - EQUIPMENT MISUSE HAZARD; DO NOT exceed the maximum working; Chemical Compatibility; HOSE SAFETY; DO NOT expose Graco hose to; FUEL AND EMISSION HAZARDS; ALWAYS fill
EQUIPMENT MISUSE HAZARD General Safety Any misuse of the pressure washer or accessories,such as overpressurizing, modifying parts, usingincompatible chemicals and fluids, or using worn ordamaged parts, can cause them to rupture and result influid injection, splashing in the eyes or on the skin, orot...
Page 4 - MOVING PARTS HAZARD; KEEP CLEAR of moving parts when starting; TERMS; Identifies helpful procedures and information.; IMPORTANT
4 308-523 MOVING PARTS HAZARD Moving parts can pinch or amputate fingers or otherbody parts. KEEP CLEAR of moving parts when starting or operating the pressure washer. NEVER operate the pressure washer without all guardsand interlocks installed and functioning. Follow the Pressure Relief Procedure b...
Page 5 - INSTALLATION; Check for Shipping Damage; The water source at the unit
INSTALLATION Figure 1 SPRAY GUN SPRAY HOSE QUICK COUPLER QUICK COUPLER INLET WATER CONNECTION 3/4” GARDEN HOSE HIGH PRESSURE HOSE CONNECTION HIGH PRESSURE HOSE CONNECTION INLET WATER CONNECTION 3/4” GARDEN HOSE 2040 1535 Check for Shipping Damage Check the unit for any damage that may have occurredi...
Page 6 - STARTUP; NOTE: All units are equipped with a low–oil sensor; Turn on the water supply.; CAUTION
STARTUP Always use this start-up procedure to ensure that theunit is started safely and properly. 1. Check oil levels. Engine: Add SAE 30 or 10W–30 weight detergentoil as necessary. Pump: Add SAE 20 or 30 weight non–detergent oilas necessary. NOTE: All units are equipped with a low–oil sensor that s...
Page 7 - ALWAYS engage the trigger safety; Figure 2; Installing and Changing Spray Tips; ALWAYS follow the; Follow the Pressure Relief Procedure.; Tip holding holes are provided on the chassis.; Figure 3
Trigger Safety Latch WARNING To reduce the risk of serious bodily injury,including fluid injection, splashing in the eyes oron the skin, ALWAYS engage the trigger safety latch whenever spraying stops, even for amoment. In the engaged position, the trigger safety latchprevents the gun from being trig...
Page 8 - Pressure Relief Procedure; Engage the trigger safety latch.; MAINTENANCE; Interval; Daily; What to do
SHUTDOWN, FLUSHINGAND STORAGE WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury,including fluid injection and splashing in theeyes, or on the skin, always follow thisprocedure whenever you stop spraying formore than 10 minutes, when shutting down,and before checking or re...
Page 9 - TROUBLESHOOTING CHART; PROBLEM; CAUSE
TROUBLESHOOTING CHART WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin orinjury from moving parts, always follow the Pressure Relief Procedure Warning before proceeding. PROBLEM CAUSE SOLUTION Low pressure and/orpump runs rough Part...
Page 10 - PARTS DRAWING
10 308-523 PARTS DRAWING 800–672 & 800–674 Hydra–Clean 2040 Pressure Washer 4 6 1 57 29 44 46 5 6 6 45 41 32 40 43 39 36 35 55 34 38 37 36 67 36 50 51 36 35 20 22 23 24 25 26 17 11 11 18 16 18 14 10 46 6 7 8 40 52 42 57 1 58 53 15 2 3 13 54 2859 60 63 29 31 10 61 2730 2730 9 19 47 64 4849 66 4 6...
Page 11 - PARTS LIST; Systems
11 308-523 PARTS LIST 800–672 & 800–674 Hydra–Clean 2040 Pressure Washer REF PART NO. NO. DESCRIPTION QTY 1 802–141 ENGINE, 8 hp, Briggs & Stratton I/C (used on 800–672 only) 1 802–998 ENGINE, 8 hp, Honda OHV (used on 800–674 only) 1 2 802–299 PUMP & GEAR REDUCER ASSEMBLY (incl. 3, 13) 1...
Page 14 - The oil seal MUST be replaced if removed.; Assembling the Gear Reducer; on the
14 308-523 GEAR REDUCER SERVICE (Model 1535) WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injuryfrom moving parts, always follow the Pressure Relief Procedure Warning on page 2 before proceeding. Replacing the O–Ring (5) 1. R...
Page 16 - NOTE: The oil seal MUST be replaced if removed.; Follow steps 1 and 3 under Replacing the Gasket.; Apply low strength Loctite
16 308-523 GEAR REDUCER SERVICE (Model 2040) WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injuryfrom moving parts, always follow the Pressure Relief Procedure Warning on page 2 before proceeding. Replacing the Gasket (9) NOTE...
Page 22 - PUMP SERVICE; Retorque the plug after 5 hours of operation.; Pumping Section; Carefully separate the manifold from the crankcase.; Figure 4
PUMP SERVICE WARNING To reduce the risk of serious bodily injury,including fluid injection, splashing in the eyes oron the skin, or injury from moving parts, alwaysfollow the Pressure Relief ProcedureWarning before proceeding. NOTE: The following metric wrenches are needed:M10, M13 and M30. Repair k...
Page 23 - Servicing the V–Packings; NOTE: There are two types of packing kits: one is just; Inspect all parts and replace as necessary.; ACCESSORIES
Servicing the V–Packings NOTE: There are two types of packing kits: one is just packings only, the other includes thepackings, rings and retainers. 1. Remove the manifold as outlined in the PumpingSection. 2. Carefully pull the packing retainer from themanifold. Examine the o–ring and replace it if ...