TM 9--2520--215--34
0027 00--4
STEER CONTROL VALVE ASSEMBLY REPAIR – CONTINUED
0027 00
DISASSEMBLY – Continued
NOTE
Do not remove inner retaining rings from steer control valve body unless replacement is
necessary.
6. Remove two outer retaining rings (15), two plugs (16) and two seals (17) from steer control valve body (2).
Remove two inner retaining rings (18), if necessary. Discard seals and retaining rings, if removed.
2
17
15
16
18
CLEANING
See WP 0018 00 for cleaning procedures.
INSPECTION
See WP 0018 00 for general inspection.
FIT AND WEAR LIMITS
Check the following parts to the dimensions listed. Replace if not within specified dimensions.
PART NAME
CHECK POINTS
ACCEPTABLE LIMITS
Outer compression spring
Inner compression spring
Steer control valve
Steer control valve body
Free length
Length under 65.9--72.9--pounds load
Free length
Length under 31.0--34.2--pounds load
Valve OD
Clearance fit in valve body
Valve bore ID
Clearance fit in valve in valve body bore
NOTE
Wear is permitted on either the valve or
valve body as long as the clearance fit is
within 0.0045 inch.
2.134 in.
1.545 in.
1.730 in.
1.408 in.
0.9980 to 0.9985 in.
0.0010 to 0.0040 in.
0.9995 to 1.0005 in.
0.0010 to 0.0040 in.
