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REMOVE AND INSTALL THERMOSTATS
COOLING SYSTEM FILL AND DEAERATION

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Cooling System
IMPORTANT: Note the location of the thermostats.
Top and bottom thermostats (B and C)
are different. Failure to install each
thermostat in the correct port may
cause engine to overheat.
4. Remove thermostats (B and C).
5. Remove gasket from mounting surface.
6. Install blocking thermostat (B) (AR48675) in top hole.
7. Install non-blocking thermostat (C) (RE33705) in
B--Blocking Thermostat (AR48675)
bottom hole.
C--Non-Blocking Thermostat (RE33705)
8. Install new gasket. Install cover.
05
0510
9. Tighten cap screws.
6
Thermostat Cover-to-Housing Cap Screw--Specification
Torque ............................................................................. 70 Nm (50 lb-ft)
TX,05,UU3884
1918SEP983/3
14-10


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