TM 5-3805-262-20
10-6. CAB HEATER SYSTEM MAINTENANCE (CONT)
a. H e a t e r ( c o n t ) .
INSTALLATION (SHEET 2 OF 2)
(17)
(18)
(19)
(20)
(21)
(22)
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
and tube connections to heater. 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 console.
Turn off engine. If heater fan does not operate or warm air is not blown
from heater console, 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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