User's Manual

Rebuild
36 313876F
12. Apply Krytox to spool rod then carefully install the
spool rod into the spool sleeve (inside the metering
block). Make sure not to cut the spool sleeve zap
seals (on low viscosity spools).
13. Torque bolts 67-70 in-lb (7.6-7.9 N•m)
14. Install new zap seal in the metering tube sleeve with
the spring facing down or toward the material pres-
sure side of the sleeve.
NOTE: Seals are individually packaged with part num-
ber and size. Verify rod nominal size matches seal prior
to installation.
15. Install the metering sleeve PTFE seal in the meter-
ing block. Replace the metering sleeve PTFE seal
with a new one every rebuild.
16. Install metering tube sleeve into the metering block.
17. Install the wetcup sleeve onto the metering sleeve.
18. Install the oil cup retaining block. Torque to 77 in-lb
(8.7 N•m).
19. Apply Krytox grease to chamfer of metering rod.
20. Carefully insert metering rod through bearing, seal,
and metering tube. Make sure not to cut the meter-
ing sleeve zap seals.
21. Move connecting block to extended position.
22. Move slide plate to capture the metering rods.
23. Install the set screw until it contacts the top of the
metering rod. Torque set screw to 4-8 in-lb
(0.45-0.90 N•m).
Metering Sleeve PTFE Seal
Metering Tube Sleeve
Metering Block
Wetcup Sleeve
Oil Cup Retaining Block
Front
Set Screw
"A" Side