TM 5-5420-280-10
TROUBLESHOOTING PROCEDURES
RAPIDLY EMPLACED BRIDGE (REB)
NSN 5420-01-481-3959 P/N 12480471
PALLET HYDRAULIC TROUBLESHOOTING SYMPTOM INDEX
MALFUNCTION
TROUBLESHOOTING
NO.
MALFUNCTION
WP-PAGE
1.
Hydraulic pump will not operate
using LPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.
Hydraulic system will not operate
using CBT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.
Supporting cylinders will not extend
or retract (L4-A+M, L7-A, or R19-H) . . . . . . . . .
4.
Bridges will not extend to operating width
(L2-H or R21-H) . . . . . . . . . . . . . . . . . . . . . . . . . .
5.
Winch wire rope will not operate
(L4-A or R18-H) . . . . . . . . . . . . . . . . . . . . . . . . . .
6.
Bottom bridge half will not move to rear
(L5-A and L8-A or R15-A and R17-H) . . . . . . . .
7.
Launch boom will not lower or raise (L6-A,
L12-A, L15-A, L20-H, or R4-A+H+M, R11-A,
R9-A, and R16-A) . . . . . . . . . . . . . . . . . . . . . . . . .
8.
Launch boom will not lower to coupling
position (L14-A or R2-H) . . . . . . . . . . . . . . . . . . .
9.
Lower support boom cylinders will not
extend or retract (L14-A or R2-H) . . . . . . . . . . .
10.
Bottom bridge half will not move on
launch boom (L16-H or R7-H) . . . . . . . . . . . . . . .
11.
Secondary boom cylinder will not
raise or lower (L9-H, L13-H, or R10H and
R14-H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.
Lower bridge half will not move
to coupling position (L14-A, L15-A, or R9-A) . . .
13.
Launch boom will not move to
pre-coupling position (L12-A or R9-A) . . . . . . . .
14.
Launch boom will not hold bridge
when extended over gap (L16-H or R7-H) . . . . .
15.
Wheel lifting cylinders will not
lower or raise . . . . . . . . . . . . . . . . . . . . . . . . . . . .
