6 - Maintenance
1. 10
1000 Hour Servicing
The following items (if fitted) require servicing at 1000 hour intervals;
•
Wheel Bearings
•
Transmission Shaft (P.T.O)
Wheel Bearings - 1000 hour intervals
Check the condition of the wheel bearings in the following way;
±
WARNING: If you do not feel totally confident changing wheel bearings, contact your HARDI® dealer’s
workshop.
•
Place stop wedges in front of and behind LH wheel and jack
up RH wheel.
•
Support the trailer with axle stands.
•
Remove the wheel.
•
Remove the hub cap (1), cotter pin (9) and castle nut (2).
•
Remove outer bearing (3).
•
Pull off the wheel hub assembly. Use a wheel puller if
necessary.
•
Remove inner (6) bearing, seal (7) and backing ring (8).
•
Clean all parts in degreasing detergent and dry them. Replace
if worn or damaged.
•
Fill the hub and bearings with fresh grease.
•
Assemble the hub and bearings using a new sealing ring (7).
•
Fit castle nut. Rotate hub and tighten castle nut until a slight rotation resistance is felt.
•
Loosen castle nut again until the first notch is aligned with the cotter pin hole in the shaft.
μ
Attention: The shaft has a vertical and a horizontal cotter pin hole. Use the one first aligned with the notch when
loosening the castle nut.
•
Fit a new cotter pin and bend it.
•
Fill the hub cap with fresh grease and carefully press it onto the hub.
•
Replace the wheel and tighten the wheel nuts to 330Nm (243 ft.lb)).
•
Tighten again after 10 hours of work.
•
Check for bearing play every day until it has stabilized.
•
Check wheel nuts daily
Transmission Shaft - 1000 hour intervals
Change the protection tube nylon bearings as described under “Shield replacement on transmission shaft”.
1
2
3
4
5
6
7
8
9
Summary of Contents for Mercury Covamax series
Page 1: ...MERCURY COVAMAX Operator Instruction Manual 67002404 100 HAU 08 2009 www hardi com au...
Page 10: ...Table of Contents TOC 8...
Page 18: ...2 Safety 2 6...
Page 88: ...6 Maintenance 1 18 Maintenance Activity Record Date Service Performed...
Page 92: ...7 Fault Finding 1 4...
Page 100: ...8 Technical Specifications 8 8...