Repair
Repair
Repair
Repair
Replace
Replace
Replace Pump
Pump
Pump Lower
Lower
Lower
Perform the procedure below to replace the entire
pump lower with a new or different pump lower.
1.
Perform the
Pressure Relief Procedure, page 21
.
2.
Disconnect the hopper, material hose, and
power.
3.
Remove outlet fittings (OF) from the pump lower
(6a) outlet.
4.
Lift retaining spring (6m) and remove pin (6k).
5.
Loosen jam nut (19) and unthread the pump
lower (6a).
6.
Disconnect the piston extension rod (6b) by
removing clip (6e) and disassembling the coupler
cover (6d) and assembly coupling (6c). The
pump lower (6a) should now be separated from
all other parts. Replace the pump lower and
reinstall on the unit. If pump components need
replacing, see
Replace Pump Components
NOTE:
NOTE:
NOTE: When reinstalling the pump lower, the jam
nut (19) should be threaded on the pump lower until
it bottoms out. The pump lower should be threaded
completely into the motor adapter (6f) and backed
off to the correct orientation position shown above.
Once in position, unthread the pump two additional
turns and secure the jam nut.
NOTICE
NOTICE
NOTICE
Failure to assemble the pump lower to the
correct depth and orientation can cause
damage to the pump. To avoid damage to the
pump, follow the Note
Note
Note above.
3A3437F
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