Winnebago 1987-1989 LeSharo Service Manual page 320

COMPONENTS
HYDRAULIC CONTROL UNIT (VALVE BODY) REPAIR
Disassembly must be performed in a clean, dustfree
location.
DISASSEMBL Y
Remove in succession the 2 bolts securing cover
plate (13) TAKING CARENOT TO LOSESPRING(12).
Remove the other components, turning over the
unit and manual valve (14).
CLEANING
Use:
- clean solvent
- lint-free shop towels for wiping down,
- compressed air, blowing strongly into all ducts.
WARNING
Always wear eye protection when working with
compressed air.
CHECKS
If there are any scoring or wear marks on any of the
spool valves the entire hydraulic control unit must
be changed.
All the spool valves should move freely and should
not stick at any point.
Seal (4) and the seals on the solenoid pilot valves
must be in_ perfect condition.
REASSEMBLY
Lubricate all the parts with Mobil@ 220 Dexron@ II
and reassemble them as shown in the exploded
view, page F3-10.
CAUTION
The largest spigot on valve (6) must face towards
small spring (5).
Secure plate (13) by its 2 bolts and mount solenoid
pilot valve with mark 1 at the same end as the
pressure regulator valve.
Tighten the cover plate bolts (13) progressively so
that the last coil of spring (12) is not jammed
between plate (13) and unit (15) and torque tighten
to 1.3 daNm (9.5 Ib.lft.)
Check that all the valves move freely.
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F3-11