TM 9-2330-246-14
4-17. FUSE BOX MAINTENANCE (M348A2H).
This Task Covers:
a.
Fuse Replacement
c.
Fuse Box Installation
b.
Fuse Box Removal
d.
Fuse Holder Replacement
Initial Setup:
Equipment Conditions:
Materials/Parts:
110-volt power disconnected from semitrailer.
q
. Two Iockwashers (if replacing fuse holder)
Tools/Test Equipment:
Four locknuts (if replacing fuse box)
General mechanic's tool kit
q
FUSE REPLACEMENT
a.
1.
Open hinged door of fuse box (3) and remove fuse (5) from fuse holder (10).
Install fuse (5) in fuse holder (10) and close hinged door of fuse box (3).
2.
FUSE BOX REMOVAL
b.
1.
Open hinged door of fuse box (3). Tag and disconnect wires from fuse holder (10).
Pull wires through nipple (8) and out of fuse box (3).
2.
Remove nut (6) and bondnut (7) from nipple (8). Pull nipple out of fuse box (3).
3.
Remove four locknuts (1), eight flatwashers (2), and screws (4) securing fuse box (3) to semitrailer. Remove fuse
4.
box. Discard locknuts.
FUSE BOX INSTALLATION
c.
Position fuse box (3) and push nipple (8) through hole in fuse box. Install fuse box to semitrailer using four
1.
screws (4), eight flatwashers (2), and four new locknuts (1).
install bondnut (7) and nut (8) on nipple (9).
2.
Pull wires through nipple (8) and connect to fuse holder (10). Remove tags.
3.
4.
Close hinged door of fuse box (3).
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