Castor Wheel And Fork - Invacare Mirage Service Manual

7 Castor Wheels and Forks
Parts
1 Castor Fork
2 Nut
3 Fork stem
4 Bearings
5 Axle bolt
6 Axle nut
7 Bearing
8 Castor wheel
9 Tyre
10 Inner tube
11 Hub centre
7.1 Tools Required:
•
19mm Open Ended Spanner
• 19mm Socket / Wrench
•
13mm Open Ended Spanner x 2
• Flat Bladed Screwdriver
•
Mallet
• Pressure Gauge
•
Pump
• Drift
7.2 Inspection
1. Check castor wheels are not buckled or physically damaged. Replace if required.
2. Check that the wheel bearings (7) run freely without excessive play.
3. Check that the castor wheel and fork nuts (2) are tight.
4. Check that the castor forks (1) are bent or damaged.
5. Check the crown/castor fork bearings (4) for wear and correct adjustment.
6. Check tyres for wear and correct inflation. Both wheels should show the same degree of wear
(see side of tyre pressure rating). For tyre fitment see rear tyre section.
7.3 Disassembly
1. Remove castor socket cap with flat bladed screw driver, hold the lower fork stem nut (2)
secure with 19mm spanner and remove the upper fork stem nut (2).
2. Gently tap the threaded end to the fork stem (3) with a mallet taking care not to damage the
threads. Remove the castor fork assemblies
3. Lever out the top fork bearing (4) carefully, using the fork stem as a lever. Take care not to
damage the threads.
12
2
4
3
1
2
8
6
10
9 11
7
5