6921413
SERVICE
29
7
Remove wiper seal and pressure seal from the
bearing housing using a seal removal tool or modified
screwdriver as shown.
IMPORTANT:
Note the direction of the seals and
thickness.
CAUTION:
Do not scratch either of the seal cavities.
RR0593.eps
7
Modified Screwdriver
4.5-4
Drive Motor Reassembly
IMPORTANT:
Use new seals for reassembly. Lubricate
new seals with petroleum jelly to help hold seals in place
when installed.
1
Clamp valve housing with fittings facing down.
2
Slide spool valve into the valve housing.
3
Place spool drive into the seating area of the spool
valve.
4
Lubricate O-ring and install into the groove of the valve
housing.
5
Lubricate O-ring and install into the groove of the
geroler set. Place geroler set on valve housing while
aligning the scribe mark and screw holes.
6
Align the corners of the spool drive corner to the star
points as shown. Install the drive.
7
Lubricate O-ring and install into the groove of the
spacer. Place the spacer on the geroler while
aligning to the scribe marks and screw holes.
CAUTION:
Be sure to not move the geroler.
4.5-3
Drive Motor Inspection
• Clean all parts with solvent and blow dry.
Do not use
paper or cloth towels.
• Inspect all parts for small nicks or burrs. Remove any
small nicks or burrs with emery cloth.
• Inspect the bearing housing seal seats for scratches.
Check for cracks that could cause leakage.
RR0594.eps
RR0596.eps
RR0595.eps
2
4
Valve Housing
groove
O-Ring
Spool Valve
Spool Drive
3
6
7
5
Spool
Drive
corner
Geroler
Star Point
Drive
4.5-2
Drive Motor Disassembly
(Continued)
Summary of Contents for 14J Series
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