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308525

Operation

Maintenance

Observing regular maintenance intervals helps ensure
that you get maximum performance and life from the
pressure washer.

There is a break–in period for the engine and pump.
After changing the oil in these components following
their respective break–in periods, the interval between
required changes is longer.

If the unit is operating in dusty conditions, these main-
tenance checks should be made more often.

WARNING

To reduce risk of serious bodily injury, including
fluid injection, splashing in eyes or on skin or injury
from moving parts, always follow 

Pressure Relief

Procedure

 on page 5 before proceeding.

Interval

What to do

Daily

Clean water inlet screen and filter.
Check engine and pump oil levels.
Fill as necessary. Check gasoline
level. Fill as necessary.

After first 5
hours of opera-
tion

Change engine break–in oil. Drain
oil when warm. Use SAE 30 or
10W–30 detergent oil.

Each 25 hours
of operation

Clean and remove air cleaner
foam. Wash with water and deter-
gent. Dry thoroughly. Rub with oil
and squeeze to distribute oil.

After first 50
hours of opera-
tion

Change pump break-in oil. Use
SAE 20 or 30 non-detergent oil.

Each 100
hours of opera-
tion 
or 3 months

Clean or replace paper air cleaner
cartridge. Tap gently to remove
dirt. Change engine oil. Use SAE
30 or 10W–30 detergent oil.

Each 500
hours of opera-
tion 
or 6 months

Change pump oil. Use SAE 20 or
30 non-detergent oil.

Summary of Contents for 800636

Page 1: ...nings and information READ AND KEEP FOR REFERENCE 3540 Belt Drive Pressure Washer Model 800636 Series C 3500 psi 24 MPa 241 bar Operating Pressure 3900 psi 27 MPa 269 bar Maximum Working Pressure GRAC...

Page 2: ...RNING WARNING INJECTION HAZARD Spray from the gun leaks or ruptured components can inject fluid into your body and cause serious injury Fluid splashed in the eyes or on the skin can also cause serious...

Page 3: ...ate and national guidelines D Do not alter the throttle setting EQUIPMENT MISUSE HAZARD Misuse of the pressure washer or accessories may cause them to rupture and result in fluid injection splashing i...

Page 4: ...ayer perform ance and chemical injector performance if used Install the appropriate spray tip on the wand See Installing and Changing Spray Tips If you are using a sandblaster kit see its separate man...

Page 5: ...upling to relieve pressure gradually then loosen completely Now clear tip or hose Startup Always use this startup procedure to ensure that the pressure washer is started safely and properly 1 Check oi...

Page 6: ...ve the choke open or partially closed Start the engine as described in the preceding paragraph When the engine starts be sure to open the choke completely 7 ALWAYS engage gun s trigger safety latch wh...

Page 7: ...chassis CAUTION O ring may be blown out of quick coupler B due to high pressure in system Never operate pressure washer without tip A securely mounted in quick coupler Figure 3 A B Shutdown Flushing a...

Page 8: ...ure on page 5 before proceeding Interval What to do Daily Clean water inlet screen and filter Check engine and pump oil levels Fill as necessary Check gasoline level Fill as necessary After first 5 ho...

Page 9: ...y gun closed Trigger spray gun while spraying Engine misses or lacks power Partially plugged air cleaner filter Remove and clean Spark plug dirty wrong gap or wrong plug type Clean and adjust spark pl...

Page 10: ...rizing pump Do not modify any factory set adjustments See EQUIPMENT MISUSE HAZARD on page 3 Excessive pressure due to partially plugged or damaged tip Clean or replace tip See Installing and Changing...

Page 11: ...kwashers from manifold using an 13 mm wrench 2 Carefully separate manifold from crankcase NOTE It may be necessary to tap manifold lightly with a soft mallet to loosen CAUTION Keep manifold properly a...

Page 12: ...ne is packings only the other includes the packings rings and retainers 1 Remove manifold as outlined in Pumping Section 2 Carefully pull packing retainer from manifold Examine o ring and replace it i...

Page 13: ...55 lbs 116 kg Dimensions Length Width Height 49 1245 mm 30 762 mm 26 5 673 mm Maximum Inlet Water Temperature 160_F 70_C Wetted Parts High Pressure Hose Bypass Hose Pressure Washer including fittings...

Page 14: ...14 308525 Notes...

Page 15: ...83 84 79 5 78 21 24 59 2 5 5 6 12 5 2 25 17 13 14 16 5 23 7 1 7 2 7 3 7 4 31 70 3 3 3 4 3 5 3 6 29 2 5 28 20 19 18 51 30 77 46 59 2 2 48 50 49 4 5 6 7 62 57 58 52 53 61 60 9 58 57 56 59 55 11 10 8 64...

Page 16: ...rd OHV used on 800635 only 1 803967 ENGINE 13 HP Honda OHV used on 800636 only 1 38 PUMP ASS Y see page 16 1 39 800652 FUEL TANK ASSEMBLY incl 40 87 89 90 91 92 used on 800635 only 1 40 801733 BARB Ho...

Page 17: ...500 psi 24 MPa 241 bar 65 67 66 64 63 55 50 49 48 57 58 98 59 60 61 62 46 47 44 45 10 9 8 7 6 5 4 1 3 2 10 9 11 52 51 54 53 13 14 18 19 56 20 12 43 42 16 17 40 15 41 14 39 12 21 23 22 24 26 33 32 28 2...

Page 18: ...ER Ceramic 3 803502 PLUNGER Ceramic 3 36 Kit 6 or 107 RING Backup Ref Part No Description Qty 37 Kit 6 or 107 WASHER 38 Kit 6 or 107 SCREW Piston 39 803295 COVER Crankcs 3000 psi 1 803505 COVER Crankc...

Page 19: ...37 38 O RING WASHER Finger RING Backup WASHER SCREW Piston 1 1 1 1 1 8 801468 Packing 3500 psi 44 PACKING 6 28 801487 Packing Retainer 3000 psi 42 43 44 45 46 47 O RING RETAINER PACKING PACKING RING H...

Page 20: ...injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO W...

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