TM 9-6115-669-13&P
4.22 U.S. STANDARD GROUNDING ASSEMBLY MAINTENANCE.
This task covers:
a. Removal
b. Inspect
c. Test
d. Installation
Tools
General Mechanic’s Tool Kit
(item 2, appendix B)
Automotive Fuel and Electrical System Repair, Tool
Bit (item 3, appendix B)
Reference
Shut down Generator Set
150 kW,
paragraph 2.8.1.
None
One
a.
b.
C.
Remove nut (6, figure 4-36), serrated washer (4), washer (3), and grounding cable (6) from
second stud from the bottom of the grounding bus (2). Loosely install washer (3), serrated
washer (4), and nut (5) on grounding stud.
Remove nut (11), washer (12), grounding cable (6), washer (13), and U.S. standard grounding
connector (14) from bracket (16).
Remove three bolts (7), serrated washers (8), washers (9), clamps (10), and grounding cable (6)
from power distribution unit (1).
Inspect for corrosion and damage.
Using multimeter check for continuity
Ensure grounding cable and hardware is installed in theproper
sequence to ensure proper grounding. Failure to observe this
warning could result in severe personal injury or death.
a.
Install U.S. standard grounding connector (14), washer (13), grounding cable (6), washer (12),
and nut (11) on bracket (15) and tighten nut (11).
b.
Remove nut (5) serrated washer (4), and washer (3) from second stud from the bottom of
grounding bus (2).
c.
Install grounding cable (6), washer (3), serrated washer (4), and nut (5) and tighten nut (5).
d.
Install three clamps (10) and grounding cable (6) using washer (9), serrated washer (8), and
bolts (7). Tighten bolts (7).
4-78
