Hitachi RTX 900 important safety instructions Valve Plate

Page 16

Valve Plate

Valve Plate

Use Valve Plate Repair Kit 288610.

Disassembly

1.Relieve Pressure, page 6.

2.Unplug sprayer from outlet.

ti2810b

3.Remove Shroud, page 7.

4.Remove RotoFlexII Pump hose; page 9 or 10.

8.Use flat-blade screwdriver to pry head (74) from top of valve plate (75) and cylinder (76) from bottom of valve plate (75).

Reassembly

1.Replace valve plate (75) with ribs facing up toward ribs on head (74).

2.Replace three bolts (100) and use 1/2 in. socket to tighten into head (74). Torque all three bolts to 75 in-lb, then torque all bolts again to 210 in-lb.

3.Replace Compressor, page 12.

4.Replace RotoFlexII Pump hose; page 9 or 10.

5.Replace Shroud, page 7.

5.Remove Compressor, page 12.

6.Remove muffler (110) from head (74) by pulling straight out by hand.

7.Use 1/2 in. socket to loosen and remove three bolts (100) from head (74).

110

100

 

 

74

75

76

ti8887a

16

311772G

Image 16 Contents
Models 254974 Related Manuals311777 311768 Model 254975 ShownFire and Explosion Hazard Equipment Misuse HazardCleaning Solvent Hazard with Plastic Parts Burn Hazard Electric Shock HazardPressurized Equipment Hazard Personal Protective EquipmentTi9016a Component Identification ComponentPressure Relief Procedure Grounding and Electrical RequirementsAuxiliary Air Compressor Generator RequirementsShroud Removal DisassemblyRelieve Pressure, Reassembly Disassemble RotoFlex II Pump RTXReassemble Loosen knob 42 on side access panel Replace hose bracket 25 to lock pump hose into place Compressor Replace and tighten grounding screw Piston/Cylinder Reassembly Valve Plate Motor Ti8890a Cooling Tube 101 Idler Roller Pulley/Belt Selector Switch Knob AssemblyRegulator Valve Problem Cause Solution TroubleshootingRelieve Pressure, page 6. Remove Relieve Pressure, page 6. Clean Wiring Diagram RTXParts RTX 1250 Only Models Part Description QtyAdditional warning labels available at no cost Compressor 288856 FittingTechnical Data Dimensions RTXGraco Standard Warranty Graco Information