Repair; Replace Pump Lower - Graco ToughTek S340e Operation, Repair, And Parts

Repair

Repair Repair
Replace Pump Pump Lower Lower
Replace Replace Pump 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
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
3A3437F
All manuals and user guides at all-guides.com
21.
NOTE: When reinstalling the pump lower, the jam NOTE: NOTE:
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 above. Note
Repair
27