Page 322
CAT: 8612 November 2019
LUBRICATION SCHEDULE
LUBRICATION SCHEDULE (T4 SERIES – MX ENGINE)
B SERVICE
1
FULL SYSTEM DOWNLOAD:
Download and archive log file recording all active/
inactive fault codes and engine/EAS system statistics, ie. fuel burn figures,
overspeeds, etc.
2
ENGINE:
Change engine oil and oil filters (including centrifugal filter). Change
primary and secondary fuel filters. Check A/C compressor mounting for tightness.
Check engine mounts - condition and torque.
3
CHECK OIL LEVELS:
Top up as necessary: Engine, transmission, rear carrier(s),
power steering reservoir and oil lubricated wheel bearings.
4
VALVE CLEARANCE ADJUSTMENT:
Adjust valve clearances - 1st 'B' service
only, then 1st, 2nd, 4th, 6th, 8th, 10th, etc. 'C' service.
5
COMPRESSOR:
Check hoses and pipes for condition and clearance
6
BELTS AND PULLEYS:
Check condition of belts.
7
INTAKE AND EXHAUST SYSTEM:
Check air filter for restriction - change element
if restriction indicator has popped. Check for leaks and damage. Check all hose
clamps. Check 'clean' side of intake system for leaks. Check rubber elbows, hump
hoses and clamps for integrity and tension. Check material integrity of intake
pipes, including welds on fabricated parts, other sealing and mating surfaces as
applicable and general pipe clearances to other components. Check mounting
bolts for tightness.
8
AD-BLUE SYSTEM:
Check for leaks – air and ad-blue.
9
EMERGENCY SHUT DOWN:
Check operation of ISO switch, remote switches and
rollover devices.
10
ELECTRICAL CONNECTIONS:
Check integrity and mounting of electrcial
harnesses and connections.
11
STARTER MOTOR AND ALTERNATOR:
Check operation and output. Remove
and inspect alternator brushes. Check and record output voltage.
Check battery electrolyte level. Check and tighten battery box and hold down bolts.
Check wiring for routing and chaffing. Correct as necessary.
12
COOLING SYSTEM:
Check radiator, CAC and A/C condensor for fouling or
damage. Pressure test cooling system and check for leaks. Check coolant level
and top up where necessary. Use only PACCAR Genuine ELC30
Check coolant concentration levels. Check tension of radiator mounting bolts and
shroud clearances.
13
CLUTCH:
Check and adjust where applicable. Lubricate release bearing sparingly.
Check clutch brake operation and adjust if necessary
14
TRANSMISSION:
Check oil level.
15
STEERING SYSTEM:
Check sector shaft, steering shaft u-joints, slip joint, drive
line pinch bolts (75-80 Nm lubricated), drag link and pitman arm, steering wheel
free play and centralisation, steering gear mounting bolts, hoses and fittings,
fluid level and operation. Check front wheel free play (.001 - .005"") and adjust if
necessary.
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