REMOVE DIRECTIONAL CONTROL SLIDE - TM-9-2520-270-340762

TM 9-2520-270-34

VIEW TURNED

FOR CLARITY

CAUTION

First range relay directional control slide and

4 . REMOVE MACHINE THREAD PLUG (3).

slide bore are precision fit parts. Do not drop,

a. Using 3/8-inch drive ratchet handle

scratch, or nick slide. Equipment can be

and 1/4-inch socket wrench

damaged.

attachment, remove plug (3).

3 . REMOVE DIRECTIONAL CONTROL

b. Remove and discard preformed

SLIDE (1) AND SPRING (2).

packing (4).

5 . CLEAN FIRST RANGE RELAY

VALVE ASSEMBLY.

a. Clean assembly and piece parts. See

6 . INSPECT FIRST RANGE RELAY

VALVE ASSEMBLY.

a. Inspect assembly and piece parts. See

7 . CHECK HOUSING (5).

a. Using micrometer caliper set and

small hole gage set, measure inside

diameter of bore (6) in housing (5).

Do not measure threads.

b. If measurement of bore (6) is more

than 0.5008 inch (12.720 mm), replace

valve assembly and go to END OF

TASK. If not, go to step 8.

4-428

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