MAINTENANCE AN D SERVICING
5.7.11 Mainte
nance Schedule
The Maintenance Schedule specifies the recommended periodic maintenance procedures and service
intervals.Regular maintenance is the best insurance against early wear and untimely breakdowns. Following this
schedule will increase machine life.
For detailed instructions, refer to the various procedures in this chapter. Use the fluids and lubricants specified in
5.3.1 R ecommended Fuel, Fluids, and Lubricants, page 198.
Service Intervals: The recommended service intervals are in hours of operation. Where a service interval is given
in more than one time frame, for example, 100 hours or annually, service the machine at whichever interval is
reached first.
IMPORTAN T:
Recommended intervals are for average conditions. Service the machine more often if operated under adverse
conditions (severe dust, extra heavy loads, etc.).
CAUTION
Carefully follow safety messages given in 1 Safety, page 1 .
Break-In Inspections
Break-In Inspections
Hours Item Check
1 Hour Drive wheel nuts
Torque: 375 lbf·ft (510 N·m) dry.
Repeat checks at one hour intervals until
torque stabilizes at two consecutive checks
A/C compressor belt
Tension
Caster wheel nuts Torque: 120 ft·lbf (163 N·m)
Caster wheel anti-shimmy dampener bolts
Inboard bolt torque: 100 ft·lb f (135 N ·m)
Outboard bolt torque: 85 ft·lbf (115 N·m)
At 5 Hours
Walking beam width ad ju stment bolts
Torque: 330 ft·lbf (448 N·m)
Walki
ng beam width adjustment bolts
Torque: 330 ft·lbf (448 N·m)
At 10 Hours
Neutral adjustment
Check. Dealer adjusted
Hose clamps: air intake / radiator / heater /
hydraulic
Check. Refer to s pe cific hose clamp section
Hand-tighten unle ss o therwise no te d
Wal
king beam width adjustment bolts
Torque: 330 ft·lbf (448 N·m)
Caster wheel anti-shimmy dampener bolts (if
installed)
Inboard bolt torque: 100 ft·lb f (135 N ·m)
Outboard bolt torque: 85 ft·lbf (115 N·m)
Drive wheel lubricant
At 50 Hours
Hydraulic Oil Filters
Change
169890 313 Revision A
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