TM-9-2330-247-14-P
CHASSIS, TRAILER: GENERAL PURPOSE, 3-1/2 TON, 2-WHEEL, M353
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)
MARCH 1992
TM-9-2330-247-14-P - Page 150 of 320
TM 9-2330-247-14&P
4-43.
PRESSURE TANK AND RELAY VALVE
This Task Covers:
a.
Removal
b.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
l Pressure tank drained (para 3-9).
l Marker tags (Item 13, Appendix E)
Tools/Test Equipment:
l Antiseizing tape (Item 14, Appendix E)
l Extension, socket wrench, ~ in. drive
Personnel Required:
Two
l Handle, ratchet, ~ in. drive
l Socket, X in. drive, ~ in.
c Vise, machinist’s
l Wrench, adjustable, 12 in.
l Wrench, open-end box, ‘~G in.
l Wrench, open-end box, % in.
l Wrench, pipe, 14 in.
ACTION
LOCATION
ITEM
REMARKS
NOTE
An assistant must be used to support components during removal and installation.
REMOVAL
1.
2.
3.
4.
5.
6.
Relay valve (9)
and two straight
adapters (5)
Air hose (6)
and elbow (8)
Pressure tank (11),
two U-bolts (12),
and bracket (1)
Bracket (1)
and pressure
tank (11)
Bracket (1)
Pressure tank (11)
NOTE
Tag air hoses and fittings for installation.
Two nuts (4)
Using ~G in. open-end box wrench, unscrew and
set aside.
Nut (7)
Using
~ in. open-end box wrench, unscrew and
set aside.
Four nuts (3) and
a. Support pressure tank (11) to take weight off
Iockwashers (2)
U-bolts (1 2).
b. Using
z in. socket, extension, and ratchet
handle with X in.
Two U-bolts (12)
Take off.
Relay valve (9)
Take off.
and pressure
tank (11)
Pipe nipple (10)
Using pipe wrench,
with relay
(11) and take off.
valve (9)
drive, unscrew and take off.
unscrew from pressure tank
4-96
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