Repair
8.Disconnect the pump shaft from the drive block.
a.Loosen the shaft locking nut.
b.Hold the drive block alignment rod stationary with a wrench.
c.Turn the pump shaft with a wrench.
d.Manually push the pump shaft forward to sepa- rate the shaft from the drive block.
9.Remove the shaft lock nut.
10.Remove the two screws that hold the pump collar in place.
11.Remove the pump collar from the pump housing.
12.Slide the pump bearing housing away from the pump housing to remove.
13.Remove rear pump components from the pump bearing housing.
Clean and Inspect the Parts
14.Using a clean dry cloth, remove any existing grease from the bearing housing.
15.Apply new high temperature grease lubricant (part 115982) to the inside of the pump bearing housing, and the new rebuild components.
Assemble the Rear Pump Assembly
16.Install the new rebuild kit components into the bear- ing housing.
NOTICE
Be careful when installing the seal. Ensure there is masking tape on the threads of the piston rod and that the open side of the seal faces the piston rod when it slides onto the rod.
17.Apply one layer of thin masking tape over the male threads of the pump shaft that mates with the drive block. This will prevent the threads from damaging the seal.
18.Slide the pump shaft through the hole in the bearing housing.
19.Align the bearing housing in position next to the pump housing.
20.Install the pump collar over the bearing housing.
21.Attach the pump housing using the two screws and torque to 350
22.Remove the masking tape from pump shaft.
23.Install the pump shaft lock nut onto the pump shaft.
24.Connect the pump shaft to the drive block alignment rod. Screw the shaft completely into the drive block.
25.Tighten the lock nut.
Prepare for Operation
26.Fill tanks.
27.Perform several shots to fill the pump with new material.
28.Calibrate and phase the machine. Perform Setup, page 26.
334135B | 45 |