User's Manual

Rebuild
313876F 35
6. For each pneumatic drive spool block, install new
zap seals and o-rings onto o-ring retainer.
7. Lubricate o-rings and bearing surfaces with Krytox
or compatible lubricant.
8. Re-install the rod bearings, zap seals, and o-rings
retainers into each spool block.
NOTE: Typically, the spring in the zap seal and the
o-rings in the retainers point toward the metering block
which is in the direction of the material.
9. On each spool sleeve, install new zap seal (on low
viscosity spool), and o-rings on the outside of the
sleeves.
10. Lubricate o-rings and bearing surfaces with Krytox
or compatible lubricant.
NOTE: Correct orientation of seals shown.
11. Carefully install the spool sleeves into the metering
block. Make sure the notched edge will align with
the pin in the metering block and not cut the spool
sleeve o-rings.
Low Viscosity Spool
High Viscosity Spool
High Viscosity Spool Sleeve Cutout View
Low Viscosity Spool Sleeve Seals
Spool Sleeve
Metering Block
Spool Sleeve Notch