TM 9-4520-251-14
(6) Apply parking brake before starting engine.
Grasp T–handle on brake plunger (1) and pull outward to release brake arm (2) from hole (3) in
trailer frame (4). Move brake arm (2) upward until brake plunger (1) is adjacent to hole (5) in trailer
frame (4). Release brake plunger (1). Make sure brake plunger (1) full engages in hole (5).
(7) Release parking before moving heater to new location.
Grasp T-handle on brake plunger (1) and pull outward to release brake arm (2) from hole (5) in
trailer frame (4). Move brake arm (2) forward until brake plunger (1) is adjacent to hole (5) in trailer
frame (4). Release brake plunger (1), Make sure brake plunger (1) fully engages in hole (3).
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