TM 9-6115-668-13
4.64 TRUE POWER MEASURING TRANSFORMER P4A MAINTENANCE.
This task covers:
a. Removal
b. Installation
Tools
Equipment Conditions
General Mechanics Tool Kit
(item 2, appendix B)
Automotive Fuel and Electrical System Repair, Tool Kit
(item 3, appendix B)
Materials/Parts
Reference
Generator Set 150 kW shut
down,
paragraph 2.5.2
Cable ties
(item 10, appendix E)
Disconnect the negative battery cable first and then the positive bat-
tery terminal cables. Failureto observe this warning could result in se-
vere personal injury or death.
Tag ail cables prior to removal to ensure correct connection of the cables
during installation.
1.
Open flap (2, figure 4-54) on unit hood assembly (1).
2.
Open front panel (4) on control cabinet assembly (3) and secure with prop (5).
3.
Open cable conduit (47) and cable conduit (60).
4.
Record labeling and position of cables and disconnect cables (51, 52) from terminals (50, 53) of
true power measuring transformer P4A (15).
5.
Record labeling and position of cables and disconnect cables (55, 56) from terminals (54, 57) of
true power measuring transformer P4A (15).
6.
Use a screwdriver to push unlocking element (16) on true power measuring transformer P4A (15) in
direction of arrow, tilt true power measuring transformer P4A (15) upward and remove from mount-
ing bar (14).
4 - 1 5 5