TM-5-5420-203-14

BRIDGE, ARMORED VEHICLE LAUNCHED, SCISSORING TYPE CLASS 60 & CLASS 70 ALUMINUM, 60 FOOT SPAN; FOR M48A5 AND M60 LAUNCHER

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE

JUNE 1991

TM-5-5420-203-14 - Page 223 of 298

TM 5-5420-203-14

RAMP SECTION HARD HYDRAULIC LINE REPLACEMENT

(Sheet 2 of 2)

NOTE

Items (9) (10), (11),

and (12) have been replaced by the continuous hard-line piping on MLC 70.

i.

Remove nipple (9) from elbow (10).

j.

Remove hydraulic fitting (11) from elbow (10)

k.

Remove elbow (3) from nipple (12)

l. Remove elbow (10) from nipple (12).

Remove fitting (11) from elbow ( 10).

INSTALLATION

INSTALL RAMP SECTION HARD HYDRAULIC LINE.

NOTE

It is critical that special care be taken not to flatten, score, or otherwise damage the threads

of useable components during the replacement procedures Apply Loctite Pneumatic/

Hydraulic Seal “569” (or equivalent) to the threads of all pipe and fittings prior to

installation.

Steps a. thru h. apply to the male ramp section only. If repairing a female ramp section, go

to step i.

a.

Thread half quick-disconnect coupling (1) in pipe nipple (2). Thread nipple (4) in tee (5)

b.

Thread elbow (3) in nipple (4)

c.

Thread nipple (2) in elbow (3)

d.

Thread nipple (8) in tee (5)

e.

Thread elbow (7) on nipple (8)

f.

Thread half quick-disconnect

coupling (6) in elbow (7).

g.

Thread nipple (9) in tee (5).

h.

Thread elbow (10) on nipple (9)

i.

Thread half quick-disconnect coupling (1) in

nipple (2). Thread nipple (12) in elbow (10).

j.

Thread elbow (3) on nipple (12)

k. Thread nipple (2) in elbow (3).

Thread fitting (11) in elbow ( 10).

END OF TASK

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