Western Star 47X 2020, Maintenance Manual

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The Initial Maintenance table lists all maintenance
operations that are to be performed at the initial
maintenance (IM) interval. Maintenance operation
numbers are reference numbers used to help you
find detailed instructions in this manual on the main- tenance operations to be performed. All operations
listed in the table, along with the operations listed in
the applicable M1 maintenance interval table, must
be performed to complete the initial maintenance
(IM).
Maintenance
Operation Number
Initial Maintenance (IM) Operations for Service Schedules I and II Check
00–05 Perform all M1 Operations
31–03 Frame Fastener Torque Check
32–02 Suspension U-Bolt Torque Check
33–04 All-Axle Alignment Check
42–12 Bendix Automatic Drain Valve Operating and Leakage Tests
*
47–03 Fuel Tank Band-Nut Tightening
* The automatic drain valve should be inspected every 6 months or 1500 operating hours, whichever comes first.
Table 4, Initial Maintenance (IM) Operations for Service Schedules I and II
General Information
00
Initial Maintenance (IM) Operations: 00–04
47X and 49X Maintenance Manual, October 2020
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