Preventative Maintenance Schedule
|
ITEM |
FUNCTION REQUIRED |
WEEKLY |
3 Months / 3000 Miles |
6 Months / 6000 Miles |
12 Months / 12000 Miles |
Brakes |
Test that they are operational |
AT EVERY USE |
Brake Adjustment |
Adjust to proper operating clearance |
|
X |
|
|
Brake Magnets |
Inspect for wear and current draw |
|
|
X |
|
Brake Linings |
Inspect for wear or contamination |
|
|
|
X |
Brake Controller |
Check for correct amperage and modulation |
|
|
X |
|
Brake Cylinders |
Check for leaks and sticking |
|
|
|
X |
Brake Lines |
Inspect for cracks, leaks, and kinks |
|
|
|
X |
Trailer Brake Wiring |
Inspect wiring for bare spots and fraying |
|
|
|
X |
Breakaway System |
Check battery charge and switch operation |
AT EVERY USE |
Hub / Drum |
Inspect for abnormal wear or scoring |
|
|
|
X |
Wheel Bearings and Caps |
Inspect for corrosion or wear. Clean and repack |
|
|
|
X |
Seals |
Inspect for leakage. Replace if removed |
|
|
|
X |
Springs |
Inspect for wear or loss of arch |
|
|
|
X |
Suspension Parts |
Inspect for bending, loose fasteners, and wear |
|
|
X |
|
Suspension wet bolts and equalizers |
Grease |
|
X |
|
|
Extreme Duty Bushings |
Grease |
|
X |
|
|
Hangers |
Inspect Welds |
|
|
|
X |
Wheel Nuts and Bolts |
Tighten to specified torque values |
|
X |
|
|
Wheels |
Inspect for cracks dents or distortion |
|
|
X |
|
Tire Inflation Pressure |
Inflate tires to mfg's specifications |
X |
|
|
|
Tire Condition |
Inspect for cuts, wear, bulging etc. |
|
X |
|
|