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 TM9-2520-270-34
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.
14. CHECK SLIDE (2)
a. Clean assembly and hardware. See
a. Using micrometer caliper set, measure
two diameters ( 3 ).
13. INSPECT THIRD RANGE RELAY VALVE
b. If either slide measurement (3) is less
ASSEMBLY.
than 0.6241 inch (15.852 mm), replace
a. Inspect assembly and hardware. See
valve assembly and go to step 14.5. If
page 2.5
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.
14.1
REMOVE ADAPTER (4) AND
P R E F O R M E D PACKING (5). DISCARD
14.2 REMOVE DIRECTIONAL CONTROL
PREFORMED PACKING.
SLIDE (6) AND SPRING (7).
GO TO NEXT PAGE
C h a n g e 3 4-508.1
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