TM 5-3810-306-20
TWO-POSITION SELECTOR VALVE
TOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033)
SUPPLIES:
Lockwashers (Item 5, Appendix C)
Hydraulic oil (Item 6, Appendix C)
Loctite #545 (Item 13, Appendix C)
Preformed packing (Item 52, Appendix C)
EQUIPMENT CONDITIONS: Disconnect ground cable at shunt. (Refer to page 8-109.)
Operator’s seat and pedestal removed. (Refer to page 15-27.)
Front access panel removed. (Refer to page 8-21.)
REMOVAL:
1.
REMOVE TWO-POSITION SELECTOR VALVE.
a.
Unscrew knob (2) from top of two-position
selector valve (1).
b.
Remove
nuts
and
lockwashers
securing
distribution panel (covering two position selector
valve). Discard lockwashers.
c.
Move distribution panel to allow access to valve
(1) and hydraulic lines (3).
d.
Tag and remove hydraulic lines (3) from valve
(1).
e.
Remove fittings (9) and preformed packings (8).
Discard preformed packings (8).
f.
Remove two nuts (4), lockwashers (5) and
capscrews (6) securing valve (1) to mounting
plate (7). Remove valve.
INSTALLATION:
NOTE
Prior to installation, coat hydraulic line
and fitting threads with Loctite 545 and
coat preformed packing with hydraulic
oil.
1.
INSTALL TWO-POSITION SELECTOR VALVE.
a.
Align holes in valve (1) with holes in mounting
plate (7). Install two capscrews (6), new
lockwashers (5) and nuts. Secure valve (1).
b.
Install fittings (9) with new preformed packings
(8).
c.
Remove tags and connect hydraulic lines (3) to
valve (1).
d.
Place distribution panel on studs and secure with
lockwashers and nuts.
e.
Screw knob (2) onto valve stem.
2.
INSTALL FRONT ACCESS PANEL. (REFER TO
PAGE 8-21.).
3.
INSTALL OPERATOR’S SEAT AND PEDESTAL.
(REFER TO PAGE 15-27.)
4.
CONNECT GROUND CABLE AT SHUNT.
(REFER TO PAGE 8-109.)
5.
TEST
PARKING
BRAKE
FOR
PROPER
OPERATION. (REFER TO TM 5-3810306-10.)
END OF TASK
16-12
