8-53. HYDRAULIC BYPASS SWITCH TEST/REPLACEMENT
This Task Covers:
Tools and Special Tools
Compound, Sealing (Item 32, Appendix C)
Shop Equipment, Automotive Maintenance, Common
Rags (Item 26, Appendix C)
No. 2 Less Power
Tags (Item 39, Appendix C)
(Item 15, Appendix F)
Container, 1 gal (3.8 l)
Cap and Plug Set (Item 3, Appendix F)
Multimeter (Item 9, Appendix F)
Test for proper functioning of hydraulic
bypass switch (1).
Place emergency steer switch in ON
position (TM 10-3930-673-10).
Place steer select control in "2 wheel
steer" position (TM 10-3930-673-10).
Listen for emergency steer pump during
Steps (1)(c) through (1)(f) below. Pump
makes a high-pitched sound when
Place starter control switch in RUN
position, but do not start engine (TM 10-
3930-673-10). Check that emergency
steer pump is running.
Turn wheels fully to both sides and check
that power assistance is operates.