Priming
Priming
Priming Piston
Piston
Piston Lower
Lower
Lower Cleaning
Cleaning
Cleaning
Disconnect
Disconnect
Disconnect the
the
the Pump
Pump
Pump
1.
Perform
2.
Loosen the coupling nut (6) and lower far enough
to remove the coupling collars (5).
3.
Release the upper clamp (118) holding the
displacement pump to the tie rod adapter plate
(104).
Disassemble
Disassemble
Disassemble the
the
the Pump
Pump
Pump
NOTE:
NOTE:
NOTE: Repair Kits are available. Purchase the kits
separately. See the Parts list to select the correct kit
for your pump.
1.
With the pump on its side, tap the displacement
rod (105) with a rubber mallet to drive the priming
piston assembly out of the base (102).
2.
Hold the valve plate guide (119) with a wrench.
Use another wrench to remove the priming piston
nut (122).
3.
Remove the priming piston (121) and the valve
plate (120).
4.
Remove the clamp (118) from the base (102).
Then remove the base (102). Tap with a rubber
mallet to loosen, if needed.
5.
Remove the o-ring (123) and the spacer (113).
Tap the displacement rod again to drive the
displacement rod/priming piston rod assembly
(105/106) out of the cylinder (101).
6.
Hold the rod (106) with a wrench and remove the
priming piston guide (119).
7.
Hold the piston rod (106) with a wrench. Use
another wrench to loosen the intake valve
housing (115), then remove it. If the intake valve
housing (115) is stuck to the rod, tap with a
plastic rod and mallet.
8.
Screw out the packing nut (117) and remove
the packing stack (116) from the intake valve
housing (115).
9.
Remove the valve plate (112). Use wrenches on
the displacement rod flats (105) and the piston
rod flats (106) to disconnect.
4
3A5799E