OP000471
4-33
Inspection, Maintenance and Adjustment
2,000 HOUR / YEARLY SERVICE
Perform All Daily, 50, 250, 500 and 1,000
Hour Service Checks
Change Radiator Coolant
1.
Slowly open the radiator cap to allow any pressure to
escape.
2.
Place a container under the radiator and open the
drain valve (2, Figure 49).
NOTE:
Dispose of drained fluids according to local
regulations.
3.
Install drain plug, and close drain valve after coolant
has completely drained from system.
4.
Fill cooling system with a flushing solution.
5.
Run engine at low idle until the coolant temperature
gauge reaches the "BLUE ZONE." Run engine for
another ten minutes.
6.
Allow engine to cool.
7.
Drain flushing fluid and fill system with water.
8.
Run engine again to allow water to completely
circulate.
9.
After allowing engine to cool, drain water and fill
system with proper antifreeze mixture for ambient
temperature. Refer to coolant concentration table. See
“Antifreeze Concentration Tables” on page 4-53.
10.
Run engine without radiator cap installed, so all air will
be purged from system. Fill radiator to fill neck.
11.
Drain and fill radiator coolant recovery tank.
Figure 48
ARO1760L
WARNING!
Allow the engine to cool before releasing the radiator
cap. Make sure to loosen the cap slowly to release any
remaining pressure.
Radiator cleaning is performed while the engine is
running. Take extreme caution when working on or near
a running engine. Make sure to lock out and tag the
controls notifying personnel that service work is being
performed.
Do not remove the radiator cap unless it is required.
Observe the coolant level in the coolant recovery tank.
Figure 49
1
FG007688
Summary of Contents for DX35Z
Page 2: ......
Page 6: ...Table of Contents K1025196E IV Index 8 1 ...
Page 60: ...OP000468 Safety 1 54 ...
Page 90: ...OP000469 Operating Controls 2 30 ...
Page 132: ...OP000470 Operation 3 42 ...
