Olympus OM-1 Repair Manual page 49

Major Check
Relative Functions
to be checked
Checking Method pr
Points of Special.Attention
(1) R Lever
. (CA8726)
Opening and
closing of
the rear
cover
(3)
Lockir.
' functio.
«
matically return to the original position
) -
Should be opened or closed smoothly
and accurately^ _ _
-- • •.•* *.
: £ij > •
CA8731 (R lever spring) should be yi|
functioning effectively.
*
• .* •
•+
The knob can be rotated smoothly. }
«
Accurate engagement. !
No friction against the top and the !
bottom covers. Should be smoothly
operable with self-weight.
Should be smoothly operable without •
an extreme friction, nor a squeak.
When the R knob is pulled out for th j
second step,make sure it unlocks.
3) When the R knob is released, the
lock should return to its original
position.
3. Film Advance
Lever
(CA8749)
Tolerance:
r
At the axis,
vertically = 0.1 or less
At the tip
of the lever = 0.4 or less
Horizontally,
back & forth, or
right and left = 0.1 or less
Film should be advanced smoothly
(without difficulty at the start of
the lever motion, an extreme
friction, uneven movement, or
squeaks.)