SECTION 12: CASTORS
12.1 Diagram
190mm NARROW PROFILE M19B | 190mm WIDE PROFILE M171 |
45 |
|
|
11.00 | 22 | M14 X 2 PITCH |
|
| 23.95mm A/F |
|
| HEXAGON |
|
|
|
| EFFECTIVE | 140 SWIVEL RADIUS |
| HEIGHT | |
|
| |
190 | 235 |
|
|
| 10 |
|
| 27 |
|
| 78 |
|
| 190 |
12.2 Parts List
M14 X 22 LONG
23.95mm A/F
HEXAGON
235 EFFECTIVE HEIGHT
45
10
RJ No
190mm narrow profile MCP | M19B |
190mm wide profile MCP | M171 |
12.3 Inspection
Check for excessive wear in crown bearings and wheel spindle. Replace castor if necessary. Check condition of stud which screws into frame.
View frame and check both castor mounting tubes are at the same angle, checking for frame distortion due to impact damage, replace if necessary.
Check tyre security to rim and for splits, cracking or damage.
Check security of castor.
12.4 Castor Removal
Unscrew the hexagon at the top of the Castor Swivel, using a 24mm (15/16") AF spanner, until the castor is removed.
12.5 Castor Fitting
Apply LOCTITE Thread Locking Compound Grade 241, or equivalent, to the thread and tighten to