Graco Inc 253472, 249318, 253471, 311283D, 249617 Maintenance, Spark Plug, Frequency, Procedure

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Maintenance

Maintenance

For detailed engine maintenance and specifications, refer to separate Honda Engines Owner’s Manual, supplied.

Maintenance

Spark Plug:

Use BPR6ES (NGK) or W20EPR-U (NIPPON- DENSO) plug, only.

Gap plug to 0.028 to 0.031 in. (0.7 to 0.8 mm).

Use spark plug wrench when installing and remov- ing plug.

Frequency

Procedure

 

 

 

 

Daily

Check engine oil level and fill as necessary.

 

 

Daily

Check hydraulic oil level and fill as necessary.

 

 

Daily

Check hose for wear and damage.

 

 

Daily

Check gun safety for proper operation.

 

 

Daily

Check pressure drain valve for proper operation.

 

 

Daily

Check and fill gas tank.

 

 

Daily

Check that displacement pump is tight.

 

 

Daily

Check level of TSL in displacement pump packing nut. Fill nut, if neces-

 

sary. Keep TSL in nut to help prevent fluid build up on piston rod and

 

premature wear of packings and pump corrosion.

 

 

After first 20 hours

Drain engine oil and refill with clean oil. Reference Honda Engines

of operation

Owner’s Manual for correct oil viscosity.

 

 

Weekly

Remove engine air filter cover and clean element. Replace element, if

 

necessary. If operating in an unusually dusty environment; check filter

 

daily and replace, if necessary.

 

Replacement elements can be purchased from your local Honda dealer.

 

 

Weekly/Daily

Remove and debris or media from hydraulic rod.

 

 

After each 100

Change engine oil. Reference Honda Engines Owner’s Manual for cor-

hours of operation

rect oil viscosity.

 

 

Semi-annually

Check belt wear; replace if necessary.

 

 

Yearly or 2000

Replace hydraulic oil and filter element with Graco ISO 46 Hydraulic Oil

hours

169236; 5 gallon/20 liter or 207428; 1 gallon/3.8 liter) and filter element

 

287871.

 

 

6

311283D

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Contents Korean patent RepairRelated Manuals 4000 psi 27.6 MPa, 275.8 bar Maximum Working PressurePRESSURIZED EQUIPMENT HAZARD FIRE AND EXPLOSION HAZARDSKIN INJECTION HAZARD RECOIL HAZARDPRESSURIZED ALUMINUM PARTS HAZARD EQUIPMENT MISUSE HAZARDMOVING PARTS HAZARD SUCTION HAZARDti7133 Component IdentificationComponent Identification ti7107bGeneral Repair Information Pressure Relief ProcedureOperation GroundingSpark Plug MaintenanceProcedure FrequencyCAUSE PROBLEMSOLUTION TroubleshootingPROBLEM 2. Relieve pressure, page Displacement Pump ReplacementRemoval Displacement Pump ReplacementInstallation ti7779121 125 7. Install clip pin 121 to secure8. Install filter housing 110, page 110 9. Connect suction hose 147 to pump outletPump Power Head Replacement Pump Power Head Replacement1. Relieve pressure, page ti7847101 100 ti7853ti7777 4 930 in-lb 105 N.m Torqued in 3 steps Hydraulic Motor1 450 in-lb 51 N.m 2 600 in-lb 68 N.m 3 60 in-lb 7 N.m Hydraulic Motorti7845 Filter Housing ReplacementFilter Housing Replacement ti7850Changing Hydraulic Oil Hydraulic Pump Replacement2. Drain oil, Changing Hydraulic Oil procedure, page Draining Oilti7783 ti7796ti7795 ti780711. Remove hydraulic pump ti7889 ti7810ti7767 ti7812 ti7111bBelt Removal and Replacement recommended method Installing BeltRemoving Belt Alternate Belt Removal and Installation Replacing Oil Reservoir ti7791 ti7846 ti7786ti7806 ti7781 ti7766Drain Plug 8. Replace cap ti7784Changing Hydraulic Fluid Filter ti7799 Cooler ReplacementCooler Replacement ti78024. Replace bar and screws. Torque to 25-30 in-lb 2.8-3.4 N.m Replacing Motor Fan Motor ReplacementInstallation Removalti7797 Removing Handle Fixed Mounting optionalRepositioning Handle Securing Unit to Vehicle Bed Sprayer Technical DataDimensions Sound LevelsWarranty Warrantymm This manual contains English Graco reserves the right to make changes at any time without notice