•
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.
Inspect for cracks, nicks, or other
physical damage.
2.
Inspect for loose or missing
fasteners.
3.
For rubber dampers, inspect for
damage to the rubber ring.
4.
For viscous dampers, inspect for
leaks.
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.
CAUTION
DO NOT re-torque or reuse existing
flange head bolts. These bolts are fac-
tory set to the specified torque. If bolts
are loose or damaged, they must be
replaced with the new bolts. Failure to
comply may result in equipment or
property damage.
Engine Valves
NOTE
Adjusting your engines valves is a
complex task that requires specialized
tools and training. Please inquire with
an authorized PACCAR dealer or serv-
ice provider about this procedure.
Have the valve clearance maintenance
procedures done according to the following
intervals.
ENGINE MAINTENANCE - Maintenance Procedures
96
Y53-1166-1M1 (10/2020)
2
Summary of Contents for MX-11
Page 1: ...Operator s Manual Operator s Manual 2021 Model Year Warranty 2021 Emissions ...
Page 2: ......
Page 3: ...Engine Operation 1 Engine Maintenance 2 Engine Warranty 3 Contents ...
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Page 103: ...ENGINE MAINTENANCE Engine Identification Y53 1166 1M1 10 2020 101 2 ...
Page 115: ...ENGINE WARRANTY United States and Canada Engine Warranty Y53 1166 1M1 10 2020 113 3 ...
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