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 TM 10-3930-660-24-1
HYDRAULIC BYPASS SWITCH MAINTENANCE - CONTINUED
0091 00
INSTALLATION
NOTE
Remove caps and plugs as hoses are installed. Wipe all sealing surfaces on switch and parts (2 through
5) clean and dry.
To prevent sealant from contaminating the hydraulic system, apply sealant carefully to threads of switch
before installation.
1.
Install switch (1) to adapter (3).
2.
If removed, install tube assembly (2) to adapter (3).
3.
Install tube assembly (2) to tee (3).
4.
Install electrical lead 91 to terminal of switch (1).
5.
Install electrical lead 10 to other terminal of switch (1).
TESTING
1.
Test for proper functioning of hydraulic bypass switch (1).
2.
Place emergency steering switch in the ON position (TM 10-3930-660-10).
3.
Place steer select control in the "2 wheel steer" position (TM 10-3930-660-10).
NOTE
Listen for the emergency steering pump during steps 4 through 7. The pump makes a high-pitched sound
when it is running.
4.
Place starter switch in the RUN position, but do not start the engine (TM 10-3930-660-10). Check that emergency steer-
ing pump is running.
5.
Turn wheels fully to both sides and check that power assistance is present. Straighten wheels.
0091 00-3
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