Graco 3400 manual Maintenance, Pressure Relief Procedure

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Maintenance

Maintenance

Pressure Relief Procedure

WARNING

Read Injection Hazard, page 3; Burn Hazard, page 4

1.Lock gun trigger safety.

2.Turn engine ON/OFF switch to OFF.

3.Move pump switch to OFF and turn pressure control knob fully counterclockwise.

4.Unlock trigger safety. Hold metal part of gun firmly to side of grounded metal pail, and trigger gun to relieve pressure.

5.Lock gun trigger safety.

6.Open pressure drain valve. Leave valve open until ready to spray again.

If you suspect that the spray tip or hose is completely clogged, or that pressure has not been fully relieved after following the steps above, VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually, then loosen completely. Now clear tip or hose.

CAUTION

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

DAILY: Check engine 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 the gas tank.

DAILY: Check level of TSL in displacement pump pack- ing nut. Fill nut, if necessary. Keep TSL in nut to help prevent fluid buildup on piston rod and premature wear of packings and pump corrosion.

AFTER THE FIRST 20 HOURS OF OPERATION:

Drain engine oil and refill with clean oil. Reference Honda Engines Owner's Manual for correct oil viscosity.

WEEKLY: Remove engine air filter cover and clean ele- ment. 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.

AFTER EACH 100 HOURS OF OPERATION:

Change engine oil. Reference Honda Engines Owner's Manual for correct oil viscosity.

SPARK PLUG: Use only BPR6ES (NGK) or W20EPR-U (NIPPONDENSO) plug. Gap plug to 0.028 to 0.031 in. (0.7 to 0.8 mm). Use spark plug wrench when installing and removing plug.

310813 Rev C

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Contents 310802 309250 Korean patentManual Conventions ContentsFire and Explosion Hazard Equipment Misuse Hazard Pressure Relief Procedure MaintenanceProblem Cause Solution TroubleshootingReplace o-ring. Manual Removal Drive Housing and Connecting RodPinion Assembly/Clutch Armature Removal Pinion Assembly/Clutch Armature/ClampPinion Assembly Clutch ArmatureClamp Installation Engine Clutch HousingPressure Control Removal InstallationStop pump with piston rod 201 in its lowest position Displacement Pump Drive housing face Parts Drawing Gmax 3400 Hi-Boy Sprayers PartsPart No. Description Qty Parts List Gmax 3400 Hi-Boy SprayersModel Part No. Description Qty Ref No Pinion Housing Part No. Description Qty Parts Drawing and List Pinion HousingPinion Housing PINParts Rev C Parts Drawing Gmax 3400 Lo-Boy Sprayers NUT, Lock Parts List Gmax 3400 Lo-Boy SprayersGmax 3400 Sprayers Models 248663 through Pressure Control/Filter AssemblyAdapter Handle204 246220 Contractor II Spray GUN Complete Sprayers with RAC X Tip, Gun & HoseDimensions Technical DataFor Graco Canada Customers Graco Standard Warranty