|
| |
TM 07661B-14/1
APPENDIX A
b.
Assembly. (figure 3-23)
(1)
Lubricate new quad rings (18, 19), with Molykote 33 grease or equivalent in respective grooves on male
swivel joint (21). The larger ring is fitted to the groove nearest the shoulder on male swivel joint, the smaller ring goes in
the groove nearest the lip of the swivel Joint. Use care not to roll, cut, or distort rings during installation.
(2)
Carefully insert and rotate male joint (21) into female joint.
(3)
Align the grooves in male joint with setscrew holes in female joint.
(4)
Install 31 steel balls (20) into each of the grooves.
(5)
Turn male swivel joint so one of the steel balls is directly below one for the setscrew. Coat threads of
setscrew (17) with Loctite 271 (red). Install setscrew and tighten until contact is made with ball directly below setscrew
hole. Back off setscrew one-quarter of a turn.
(6)
Repeat step 5 to install the remaining setscrew.
(7)
Rotate swivel joint by hand to check for binding or restriction. If swivel joint binds, loosen setscrew an
additional 1/8turn maximum. If binding persists, disassemble swivel joint and locate cause of binding.
(8)
Lubricate swivel joint completely by applying grease gun to fitting on swivel housing. Use Molykote 33
grease or equivalent.
A 3-39. HOSE REEL GUIDE ROLLERS.
a.
Disassembly. (figure 3-24)
(1)
Remove caps (11) from spools (3). Remove two nuts (6) and lockwashers (5). Remove guide roller from
its mounting bracket (10).
(2)
Pull end spools (3) and pedestals (4) from roller axle.
(3)
Remove spool (3) and bolt (2) from pedestal (4).
(4)
Remove spool (3) from bolt (2). Remove bushing (1) from spool.
(5)
Pull axle (7) from roller tube (9).
(6)
Pull end bearings (8) from roller tube only if replacement is necessary.
b.
Assembly. (figure 3-24)
(1)
Install end bearings into tube, if removed.
(2)
Insert axle through end bearings and center the roller on the axle.
(3)
Apply Molykote 33 grease or equivalent to entire exterior of bushings (1). Install bushings (1) into spools
(3).
(4)
Slide spool (3) onto bolt (2), followed by pedestal (4).
(5)
Slide spool pedestals onto axle ends.
(6)
Position the roller assembly on its mounting bracket (12) and secure with lockwashers (5) and nuts (6).
Install caps (11) into spools (3).
A 3-52
|
