PRINTED IN U.S.A. 79 50960025/CP0514
This Maintenance Interval Chart was developed to match the Service and Storage chapter of this manual. Detailed
information on each Service Procedure is in the Service and Storage chapter. A Maintenance Log follows the
Maintenance Interval Chart for recording the maintenance procedures performed. Recording the 10 Hour (or
Daily) service intervals is impractical and is therefore not recommended.
IMPORTANT: Under severe operating conditions, more frequent service than the recommended inter-
vals may be required. Users must decide if the severity of their operation requires more frequent service
than normal.
Chapter 10
MAINTENANCE
SERVICE PROCEDURE Every 10 Every 50 First 100 Every 250
Hours Hours Hours Hours (or
(or Daily) (or Weekly) Quarterly)
Checking Fuel Tank Level l
Checking Fuel Filter (Drain Water If Required) l
Checking Engine Oil Level l
Checking Radiator Coolant Level l
Checking Transmission Oil Level l
Checking Hydraulic Oil Level l
Checking Tire Pressures l
Checking Wheel Nut Torque l
1,2
Checking Instruments Operation l
Checking General Machine Operation and Condition l
Checking Personnel Work Platform Safety System l
Lubricate Grease Points l
Changing Engine Oil and Filter l
2
Changing Transmission Oil and Filter l
2
Changing Hydraulic Oil Filter l
2
Checking and Torquing Boom Leaf Chains l
3
l
Checking Axle Oil Levels l
Changing Fuel Filter l
Changing Engine Oil and Filter l
1 - On new machines or when a wheel has been removed, until 450 ft.-lbs. (610 Nm) is maintained.
2 - Only new machines.
3 - On new machines or when a chain has been replaced. The two chains on the front of the three-section boom should
be torqued to 30 ft.-lbs. (40 Nm), and the three chains on the front of the four-section boom should be torqued to 50 ft.-
lbs. (68 Nm).
MAINTENANCE INTERVAL CHART
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