PREVOST X3-45 Multiplex, Maintenance Manual

Page: 957 / 1422

19. Place the housing (1) over the cover assembly.
Make sure the orientation is correct by matching the
original markings made on the housing and cover
during disassembly.
20. Install the bolts (4) and washers (5). Thread all four
bolts into the cover evenly, and torque alternately to
25 lbf•ft. (35 N•M)
Install housing
Install bolts and
washers
9/16" Socket
Torque wrench
Failure to thread the bolts into the
cover evenly could result in
damage to the seals, top plate or housing.
21. Assemble valve spool components: Insert spring
(6B), and poppet (6C) (blunt end first) into the spool
(6A). Install shims (6D) onto the relief valve seat
assembly (6E).
Make sure to install the same number of shims as
were removed.
Assembly valve
spool assembly
Install valve spool
assembly
Install relief valve
seat assembly
22. Screw the relief valve seat assembly into the spool
and torque to 11 lbf • ft. (15 N•M). Placing the spool in a
collet will facilitate torquing.
7/16" Socket
Torque wrench
23. Insert the valve spool assembly (6), screen end last,
into the housing. Make sure the spool slides freely
in the housing.
Take care not to deform the spool
nor make nicks or burrs on the
surface. If the spool is damaged, both the spool and
housing must be replaced.
CAUTION !
CAUTION !