Eaton Char-Lynn 5 Series - Page 9

EATON Char-Lynn Power Steering, Steering Control Units 001, 5 Series C-STCU-TS002-E August 2003 9
Reassembly cont.
20. Install manual steering
check ball and pin into
housing, if no relief valve
is present.
21. Lubricate and install a new
o-ring seal in the groove in
the housing.
22. Install the wear plate and
align the timing groove
on plate with the timing
groove on the housing.
Note: The holes in
the wear plate are
not symmetrical.
Reassembly cont.
23. Install the drive, be sure
the slot in the drive
engages the pin.
24. Lubricate and install a new
o-ring seal in the groove in
the wear plate.
25. Install the gerotor and
align the timing groove
with the timing groove in
the wear plate.
26. Lubricate and install a new
o-ring seal in the groove in
the gerotor ring.
Reassembly cont.
27. Lubricate and install a new
o-ring and seal ring in the
groove in the gerotor star.
28. Install the spacer.
29. Install end cap and four
cap screws. Align timing
groove on endcap with
timing groove on gerotor.
Tighten cap screws, in
a crisscross pattern, to
16 -18 Nm [250 lb-in].
Reassembly cont.
30. Install the relief
valve/check if present.
Use a new o-ring and
tighten the plug to 17 Nm
[150 lb-in].
31. Remove the SCU from
the vise.
32. Check SCU and confirm all
timing grooves are in line.
Note: If timing grooves
are not aligned properly,
SCU will not function.
Round Housing
with End Ports