BOLEX H16 SBM Instruction Manual page 7

16 Upper spool shaft for feed spool
17
Loop former locking lever and opening knob
18 Upper sprocket
19 Upper loop former
20 Pressure pad locking pin
21
Pressure pad
22 Lower loop former
23 Film knife
24 Lower sprocket
25
Lower spool shaft for take-up spool
26
Retaining arm
27
Spool ejector
28 Feet setting on footage counter
29
Lever for suppressing audible signal
30
Knob for opening loopformer
*
31 Saddle for 400 ft. magazine'
23------7<
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25
26
* Only on H 16 SBM 5