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SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Service Procedures (cont.)
CHARGE AIR COOLER (CAC)
Service Interval: Before Engine Operation
WARNING: To prevent personal injury or death, shut
down engine, set parking brake, and block wheels before
inspecting the Charge Air Cooler.
1. Inspect Charge Air Cooler (CAC) core for debris and clogged
external fins.
2. Before starting engine, remove debris blocking the core.
EXTERNAL LEAKAGE
Service Interval: Before Engine Operation
WARNING: To prevent personal injury or death, shut
down engine, set parking brake, and block wheels before
inspecting for external leakage.
1. Check for the following conditions:
•
Cracked hoses
•
Loose clamps
•
Coolant stains
•
Oil stains
•
Fuel stains
•
Leakage at water pump (wetness from the weep hole is
normal)
2. Correct problems.
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