Paccar PX-7, Руководство оператора

Страница: 70 / 92

(option) locks in the extreme
high position.
• Check hose/pipe condition –
deterioration/ signs of leaking.
• Check hose clamp torque.
Charge Air Piping
Perform these maintenance procedures
according to the Preventative Maintenance
Schedule.
1. Check and correct the following
charge air piping components:
• Hose/pipe condition –
deterioration/signs of leaking
• Hose clamps for tightness
• Clearance to other components
Charge Air Cooler
Perform these maintenance procedures
according to the Preventative Maintenance
Schedule.
1. Check and correct the following
components of the charge air
cooler:
• Cracked tubes or header
• Clogged fins/tubes
• Hose/pipe condition –
deterioration/signs of leaking
• Hose clamp torque
Charging - Cranking System
Electrical Harness / Cables
Perform these maintenance procedures
according to the Preventative Maintenance
Schedule.
1. Check the following electrical
components:
• Inspect for loose connections,
corrosion, chafing, and broken
retention clips
Batteries, Cables, and Connections
Perform these maintenance procedures
according to the Preventative Maintenance
Schedule.
1. Check the following electrical
components:
• Condition – electrolyte level,
cracks, signs of leaking,
overcharging
• Hold-downs – tightness
• Battery box mounting bolt –
torque
Crankshaft - Vibration Damper
Perform these maintenance procedures
according to the Preventative Maintenance
Schedule.
1. If equipped with a rubber-type
crankshaft damper, perform the
following checks of vibration
damper:
• Inspect for cracks, nicks,
leakage
• Check fastener torque
Engine Mounting Bolts
Perform these maintenance procedures
according to the Preventative Maintenance
Schedule. Check for the following:
1. Inspect both mount and leg
fasteners. Check for loose or
broken bolts. Replace as
necessary.
2. Check mount and leg for fractures,
breaks or deformation. Replace as
necessary.
3. Check for complete insertion of
motor mount. Replace as
necessary.
ENGINE MAINTENANCE - Maintenance Procedures
68 Y53-1183-1G1 (05/19)
2