ARMY TM 5-6115-633-14&P
INTERMEDIATE (FIELD) DIRECT SUPPORT
GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. INTRODUCTION
This chapter contains Intermediate Direct Support and General Support level
m a i n t e n a n c e procedures for components of the AN/MJQ-18 Power Plant which are not part of the
basic generator sets or trailer. For all other intermediate direct and general support maintenance
procedures on the trailer, refer to TM 9-2330-213-14&P. For intermediate direct and general support
Before performing any maintenance that requires climbing on or under trailer,
s e t trailer handbrakes, chock wheels and lower rear leg prop. Injury to
personnel could result from trailer suddenly rolling or tipping.
5 - 2 . Leg Prop Assembly Maintenance. Maintenance of the leg prop assembly at the Intermediate
D i r e c t Support and General Support level consists of repairing or replacing the assembly as required.
a. Leg Prop Assembly Replacement.
(1) R e m o v a l .
(a) While supporting leg prop assembly, pull out angled bar (1) and lower leg from traveling
(b) Line up boss (2) on upper leg (3) with holes in bracket (4) and insert angled bar (1) to
lock leg in support position.
(c) Remove either one of two cotter pins (5) from leg prop assembly pivot shaft (6).
(d) While steadying leg prop assembly, remove shaft (6) with remaining cotter pin (5) in
When angled bar is removed in step (e), leg prop assembly will fall from
bracket if not supported. To prevent injury to personnel or damage to
equipment, do not permit leg assembly to drop.
(e) Lift leg assembly slightly to take weight off angled bar (1) and remove bar.
(f) L o w e r l e g a s s e m b l y f r o m b r a c k e t ( 4 ) .
(g) Remove three screws (7), three flat washers (8) and three nuts (9), and remove
bracket (4) from trailer frame (10).