Centronics 306 Technical Manual page 82

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DRIVING MECHANISM - AE -
(2)
(i)
Release spacer CAE-17), driving pulley (AE-18), clutch
armature (AE-3-3) from left side of the electromagnetic
clutch unit shaft.
(Nove aside main belt to start parts
release).
(j) Release spacer CAE-17), driving pulley (AE-l) and then
electromagnetic clutch unit (AE-3, with shaft) from right
side.
(k) Verify proper adjustment of air-gap clutch prior to
assembly (Refer to para. 5.2.5.3B).
(1)
Reverse procedure (a) through (j) to re-install.
C.
DRIVING MECHANISM ASSEMBLY (AE) PART 2 (FORWARD DRIVE AND PRELOAD
CLUTCH ASS·Y
1. To remove complete driving mechanism as shown in Figure AE,
perform the following steps:
(a) Perform para. 5.2.5.2.A. to remove main belt (AE-9).
(b) Loosen tensioner (AD-17) against belt (AD-4l).
(c) Remove screw and washer (AE-13, 14) releasing anti-
rotation stopper (L) (AE-12).
(d) Loosen two allen-head screws (AE-19) on driving pulley
(C) (AE-18).
(e) Remove screws and washers (AE-22, 23) on both left and
right bushing brackets (AE-2l).
(f) Slide loosened belt off driving pulley (C) (AE-18).
(g) Remove driving pulley (AE-l) and clutch field ass·y
(AE-30) from shaft.
(h) Remove pinned rotor (AE-34) (with shaft) splined
armature (AE-27) hub (AE-28) spring (AE-29) and driving
pulley (AE-18).
(i) To replace preload clutch unit (AE-36), reverse dis-
assembly procedure.
(j) Check para. 5.2.5.3.C. for clutch bracket (AE-2l)
adjustments.
5.2.5.3 Adjustments
A.
DRIVE BELT (AE-9) MAIN MOTOR (SEE FIGURE 5-5)
The main drive belt is located between the drive pulley (C)
(AE-18) arid the idler pulley (AF-23) on the idler pulley shaft
(AF-22). With belt in normal operating position, perform the
following steps:
5-17
Rev. E

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