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Pump Assembly
312393G 36 of 50
Key:
Ref P/N Description QTY Ref P/N Description QTY
1 106258 ORING, VIT, JCB 2 9 15K803 COLLAR, PUMP 2
2 108712 NUT, HEX, M8 X 1.25, MS 2 10 15K804 HOUSING, BEARING, SEAL, PR70S 2
3 120887 POSIPAK, 0.375ID X 0.625OD, COIL 2 11 15K824 SHAFT, PISTON, 3/8, PR70S, SS 2
4 120890 RING, RET, INT, 1.00, SS 2 12 15K828 WASHER, SEAL, 3/8, PR70S, SS 2
6 120982 SCREW, SHC, M8 X 1.25 X 65, MS, E 8 13 15K895 HOUSING, CHECK VALVE 2
7 15K786 HOUSING, PUMP, PR70S, MACHINED 1 14 LC0093 KIT, REBUILD, VALVE, CHECK, PR70S 2
8 15K787 CAP, END, PUMP, PR70S, MACHINED 2
To install a new Check Valve Rebuild Kit:
1. With the machine in an idle state and a bucket
below the dispense valve to catch material, fully
extend the piston by pressing
in the M1
screen.
2. To prevent machine movement, press
(red).
3. With a bucket below the check valve to be
replaced, disconnect the male hose fitting from
the check valve housing (13), by loosing the hose
from the housing. Catch any material draining
from the hose into the bucket.
4. Remove the check valve housing (13) from the
pump endcap (8) by loosening the housing with a
wrench.
5. Remove the existing check valve (14) from the
housing (13) by inserting a screwdriver or dowel
rod into the female threaded end of the check
valve housing.
6. With the new check valve ball guide (item #3 in
figure 43) on a bench with the open end up,
install the check valve spring (item 2 of figure 47)
into the guide.
7. Install the check valve ball (item 1 of figure 47) on
top of the spring.
8. With the rounded inside surface of the check valve
seat (item 4 of figure 47) facing down, place the seat
on top of the check valve ball.
9. Holding both ends of the assembled check valve
assembly, install the check valve into the un-threaded
end of the check housing (13) with the ball end facing
out. Apply some pressure to the valve to snugly fit the
completed check valve into the housing and the fit the
check valve seat (item 4 of figure 47) into the valve
guide.
10. Verify when the assembled check valve and housing
(13) are turned up-side down, that the contents of the
valve stays in place.
11. Re-insert the new valve and valve housing into the
pump end cap, using a wrench.
12. Re-install the material male hose fitting into the check
valve housing using a wrench.
13. Before re-using the machine for operation, activate a
few shots to purge any air present in the material hose
lines due to the procedure.
14. Re-calibrate the machine if necessary.
Figure 47: PR70 Check Valve Rebuild Kit (LC0093)
Key:
Ref P/N Description QTY Ref P/N Description QTY
1 105445 BALL,CHECK VALVE 1 3 15D312 BUSHING, BALL GUIDE 1
2 121084 SPRING, 0.30OD X 0.44LG, 22#/IN, 20PSI, S 1 4 196832 SEAT, LAPPED, CHECK VALVE 1