
© 2021 Staheli West
185
500 Hour Maintenance Checklist
EVERY 500 HOURS
STEP(S)
Perform 50 hour maintenance
See 50
hour
Perform 250 hour maintenance
See 250
hour
Clean boiler flue tubes (top and bottom as needed)
1
Inspect boiler rear door “L” brackets for tightness (23 ft-lbs)
2
Inspect boiler front smoke turn box insulation
3
Check torque on wheel nuts (81 ft-lbs)
4
Summary of Contents for DewPoint 331
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