11. CHECK SPRING ( 1 ).
a. Using indicator caliper, measure free
length of spring ( 1 ).
b. If free length of spring ( 1 ) is Iess than
1.90 inches (48.3mm), replace valve
assembly and go to step 14.5 If not, go to
step 12.
12. CLEAN THIRD RANGE RELAY VALVE
ASSEMBLY.
a. Clean assembly and hardware. See
page 2-2.
13. INSPECT THIRD RANGE RELAY VALVE
ASSEMBLY.
a. Inspect assembly and hardware. See
page 2.5
14.1
REMOVE ADAPTER (4) AND
PREFORMED PACKING (5). DISCARD
PREFORMED PACKING.
14. CHECK SLIDE (2)
a. Using micrometer caliper set, measure
two diameters ( 3 ).
b. If either slide measurement (3) is less
than 0.6241 inch (15.852 mm), replace
valve assembly and go to step 14.5. If
not, go to step 15.
CAUTION
Valve assembly moving parts are precision
fit. Do not drop, scratch, or nick any parts.
Damage to equipment can occur.
14.2 REMOVE DIRECTIONAL CONTROL
SLIDE (6) AND SPRING (7).
GO TO NEXT PAGE
Change 3 4-508.1
TM9-2520-270-34