TM 9-2320-260-20
4-54. MICROBRAKE LOCK WIRING REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
lNITIAL SETUP
APPLICABI.E MODELS
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-260-10).
M816, M819, M821
q
Hood raised and secured (TM 9-2320-260-10).
MATERIALS/PARTS
Five locknuts
Three lockwashers
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-20P
NOTE
Tag all wires for installation.
1. Disconnect wires (2) and (3) from brake lock switch (1).
2. Disconnect wire (3) from connector lead (7).
3. Remove two locknuts (4), screws (15), retainer (14), grommet (6), and leads (2) and (3) from hole in
firewall (5). Remove wire (3). Discard locknuts (4).
NOTE
Assistant will help with steps 4 and 5.
4. Disconnect wire (2) from brake lock (16).
5. Remove three locknuts (11), lockwashers (10), screws (8), and clamps (9) from wire (2), cab floor (13),
and floodlight wire (12). Remove wire (2). Discard locknuts (11) and lockwaahers (10).
Insert wires (2) and (3) through hole in firewall (5) and connector to brake lock switch (l).
1.
2.
Connect wire (3) to connector lead (7).
3.
Route wire (2) under cab floor (13) and connect to brake lock (16).
NOTE
Assistant will help with steps 4 and 5.
Install wire (2) and floodlight wire (12) on cab floor (13) with three clamps (9), screws (8), new
4.
Place grommet (6) and retainer (14) around all accessory wiring and install on firewall (5) with two
5.
screws (15) and new locknuts (4).
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