TM 5-3805-262-20
REMOVAL (SHEET 2 OF 2)
(5) At opposite end of HEAT CONTROL valve, loosen two clamps (6) then discon-
nect hose (7) from valve by pulling it from valve port while at same time
pushing it onto tube (8).
(6) Reach inside heater console and remove two nuts (9) and lock washers
(10). Support HEAT CONTROL valve (12) and remove two capscrews (11) then
remove HEAT CONTROL valve.
INSTALLATION
(1)
(2)
(3)
(4)
(5)
(6)
(7)
( 8)
( 9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
Position HEAT CONTROL valve (12) on bracket inside heater console.
Install and tighten two capscrews (11), lock washers (10), and nuts (9)
to secure HEAT CONTROL valve (12).
Ensure that clamps (6 and 4) are installed on hoses (5 and 7) and tube
( 8 ).
Connect hose (7) to HEAT CONTROL valve port by pushing hose onto port.
Connect hose (5) to port on opposite end of HEAT CONTROL valve by pushing
it onto port as far as it will go.
Position clamps (6 and 4) and tighten securely.
Install cab switch panel (3) on heater console taking care not to discon-
nect or pinch wiring between switch panel and heater console.
Install and tighten four screws (2) to secure switch panel (3) to heater
console.
Install HEAT CONTROL knob (1) by pushing it firmly onto HEAT CONTROL
v a l v e s h a f t.
Open heater water shut-off valves at water pump and engine.
Connect battery ground cable (page 5-151).
Start engine and operate at idle speed for three minutes. Turn off engine
and check coolant level at radiator (page 4-71). Add coolant as neces-
s a r y.
Start engine, operate at idle speed, and check for coolant leaks at hose
connections to HEAT CONTROL valve. Tighten clamps as necessary if leaks
are seen.
Set HEATER FAN control to LOW position and HEAT CONTROL to WARM position.
Check that heater fan operates and warm air is blown from heater cover.
Turn off engine. If heater fan does not operate or warm air is not blown
from heater cover, refer to troubleshooting (page 3-165 or 3-168).
Install operator-s seat upper seat support (page 9-32).
Install engine side panels (page 9-17).
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