TM-9-2330-356-14
SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1990
TM-9-2330-356-14 - Page 466 of 528
TM 9-2330-356-14
(14) Remove O-ring (22) from inside bushing (20),
taking care not to disturb the two flatwashers (23) and two
wave washers (24) located directly behind O-ring.
(15) Remove external O-ring gasket (25) from
beneath the head of the bushing.
(16) Remove hairpin (26) from end of crank (17)
and remove crank.
(17) Remove bumper (27) by prying off nozzle
assembly with screwdrivers. It may be necessary to apply
heat to the bumper using heat lamps for a period sufficient
to soften the bumper. This usually takes from one to two
hours.
(18) Remove bearing (28) by applying force to one
end of bearing, visible through opening of collar (29), with
a straight punch until opposite end of bearing protrudes
through collar. Grasp this end with pliers and remove
bearing.
(19) Remove collar (29).
(20) Push shaft assembly (30) to move valve as far
out of nozzle body as possible.
(21) Remove packing (31) from inside nozzle now
visible with valve fully open.
c.
Assembly (Fig. 8-30).
(1) With valve in the full open position, install
packing (31) into nozzle body (9).
(2) Install collar (29) onto nozzle, alining the
groove in the collar with the boss on the nozzle body.
(3) Install bearing (28) by pushing bearing
through opening in collar into groove in nozzle body.
(4) Install bumper (27). It may be necessary to
heat bumper with heat lamps before installation.
(5) Insert crank (17) through shaft assembly (30),
positioning shaft at 12:00 o’clock when crank is at 3:00
o’clock.
(6) Install hairpin (26) into crank (17).
(7) Install O-ring gasket (25) over bushing (20).
(8) Install bushing (20) into nozzle body (9).
(9) Install safety wire (19) between bushing and
nozzle body.
(10) Insert O-ring (22) into bushing, over washers
(23).
(11) Insert spacer (21) into bushing, over O-ring
(22).
(12) Install fiber washer (18) over crank (17). Turn
crank counterclockwise with a wrench to fully close the
valve.
(13) Install crank handle (16) over crank. Aline
groove in crank with screw hole in crank handle. Install
socket head capscrew (15) and lockwasher (32).
(14) Install cover assembly (14) by securing cable
latch to nozzle body.
(15) Install two handles (13) to collar with two
capscrews (10), four washers (11), and two lock nuts (12).
(16) Install O-ring to regulator (6) outlet,
indicated with arrow pointing in the direction of flow.
(17) Install regulator (6) to nozzle body(9) with six
socket head capscrews (7) and six washers (8), observing
direction of flow.
(18) Install O-ring to adapter body (2).
(19) Install body (2) to regulator(6) with six socket
head capscrews (4) and six washers (5)
(20) Insert screen (3) into body (2).
(21) Screw adapter (1) into body (2).
d.
Installation.
Install underwing nozzle (para 3-17).
8-25. Closed Circuit Nozzle (M970 and M970A1)
Refer to TM 5-4930-226-12&P manual for disassembly,
inspection, and repair of closed-circuit nozzle.
8-26. Hose Coupling, 2½-inch
a.
Removal.
Remove nozzle and coupling
(para 3-17).
b.
Disassembly (Fig. 8-31).
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Set sleeves (1 and 2) in disconnected position.
Remove ring (3).
Remove sleeve assembly (2).
Remove bumper (4) from sleeve assembly (2).
Remove spring (5).
Remove three retainers (6).
Remove lock sleeve (1).
8-36
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