Sony SAL50M28 Service Manual page 11

2-1-3. FIXED HOLDING TUBE BLOCK
Note:
Select the gap adjust washer according to the rotation load of the focus
range switch knob as follows.
1. Install the gap adjust washer-B and check the rotation.
2. If the rotation is heavy, replace with the gap adjust washer-A.
If it is largely wobbly, replace with the gap adjust washer-C.
3. If the rotation remains heavy even with the gap adjust washer-A,
remove the washer and attach the focus range switch knob.
Washer-A (T = 0.05 mm): 2-684-218-01
Washer-B (T = 0.1 mm): 2-684-219-01
Washer-C (T = 0.2 mm): 2-684-220-01
HELP15
2 Limiter Stopper Plate Block
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP14
A
HELP17
1 Focus Range Switch Knob
HELP18
A
5 SW Flexible
2-4
EXPLODED VIEW
HELP14
3 FH Button Base
HELP16
4 Click Plate