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TP-6905 6/14 51Section 4 Scheduled Maintenance
4.2 Service Schedule
System Component or Procedure
See
Section
Procedure
Frequency
Visually
Inspect
Check Change Clean Test
General Maintenance
Fluid leaks X Daily
Engine oil level X Daily
Coolant level 4.6.1 X Daily
Obstructions or combustible materials near
exhaust outlet
X
Weekly
Leaks, hissing, and gas odor X Weekly
Bolts and nuts for tightness X Quarterly or 20 hours
Engine oil and filter [
4.3 X Yearly or 120 hours
Belts and belt tension X Yearly or 120 hours
Inspect wiring for cuts, abrasions, or
corrosion
X
5 Years
Inspect vacuum lines and fittings X 5 Years
Air Intake System
Air cleaner element [
4.4 Quarterly
or 20 hr.
3 years or
400 hr.
Hours shown
Air induction for leaks X 3 Years or 500 hours
Intake manifold for vacuum leaks X 3 Years or 500 hours
Cooling System
Clamps and hoses, tightness and leaks 4.6.2 X X R Daily
Radiator exterior X X Yearly or 120 hours
Coolant condition w
4.6.2 X 3 Years o r 500 hours
Hoses, condition 4.6.2 X X R 3 Years or 500 hours
Electrical System
Battery charge]
4.8 X Yearly or 120 hours
Battery fluid level ]
X Yearly or 120 hours
Battery for cracks and corrosion X Yearly or 120 hours
Clean battery cables ]
X Yearly or 120 hours
Exhaust System
4.5
Exhaust manifold for leaks X R 5 Years or 2000 hours
Exhaust piping for leaks X 5Years or 2000 hours
Check HEGO (oxygen) sensor connections
and wires
X
5 Years or 2000 hours
Fuel System
Fuel lines for leaks X Quarterly
Fuel regulator pressure X Yearly or 120 hours
Fuel shutoff valve for leaks and function X 5Years or 2000 hours
Ignition System
Spark plug wires for cuts, abrasions, or
hardening
4.7 X R
3 Years o r 500 hours
Secondary ignition coil wires X R 3 Years or 500 hours
Spark plugs 4.7 X 3 Years or 500 hours
* Not necessary for maintenance-free batteries.
[ Service more f requently under extremely dusty/dirty
conditions.Long-life coolant is recommended.
w Long-life coolant is recommended. When long-life coolant is used, the
change interval is 5000 hours or 5 years. Do not mix coolant types.
XAction
D Authorized distributor/dealer
only
R Replace as necessaryAuthor-
ized distributor/dealer only
R Replace as necessary