44
MAC 6000 Hydronic Heater
Trailer Axle Manual
2106 East Indiana Ave., Bismarck, ND 58504 U.S.A. • www.macheaters.com • +1-800-272-4604
21
Rev: 07.25.2013
Maintenance Schedule
Item
Function Required
Weekly
3 Months/3000
Miles
6 Months/6000
Miles
12 Months/12000
Miles
Brakes
Test that they're
operational.
At Every Use
Breakaway
System
Check battery charge and
switch operation.
At Every Use
Brake
Adjustment
Adjust to proper
operating clearance.
Brake Magnets
Inspect for wear and
current draw.
Brake Linings
Inspect for wear or
contamination.
Brake Controller
Check for correct
amperage and
modulation.
Trailer Brake
Wiring
Inspect wiring for bare
spots, fray, etc.
Hub/Drum
inspect for abnormal wear
or scoring.
Wheel Bearing
Inspect for corrosion or
wear. Clean and repack.
Seals
Inspect for leakage.
Replace if removed.
Springs
Inspect for wear, loss
of arch.
Suspension
Parts
Inspect for bending, loose
fasteners, wear.
Hangers
Inspect welds.
Wheel Nuts and
Bolts
Tighten to specified
torque values.
Wheels
Inspect for cracks, dents,
or distortion.
Tire Inflation
Pressure
Inflated tires to mfg's.
specifications.
Tire Condition
Inspect for cuts, wear,
bulging, etc.
MAINTENANCE SCHEDULE
