Timing Belt (Reel) Tension Adjustment - Sony Betacam SX DNV-5 Maintenance Manual

4-1-5. Timing Belt (Reel) Tension Adjustment

Precaution
Perform the belt tension adjustment when the reel drive gear assembly, capstan
motor and/or timing belt (reel) are replaced.
Preparation
1. Confirm that the unit is in the unthreading end state.
2. Remove the front lid and outside panel.
(Refer to section 1-6 in Part 1 of the Maintenance Manual.)
Tools
. Torque screwdriver (for M1.4)
. Torque screwdriver (for 3 kg)
Adjustment
1. Timing belt (reel) tension adjustment
n
The belt tension is necessarily determined by
the force of the tension coil spring as shown
in the figure.
(1) Insert the driver into the hole as shown in the
figure of the S soft brake assembly.
(2) Loosen the adjustment screw shown in the
figure by one or two turns.
(3) Tighten the adjustment screw loosened in
step (2).
[Tightening torque:
9 x 10
–2 N.m (0.9 kgf.cm)]
DNV-5
DNW-7/90/90WS
J-6325-110-A
J-6325-400-A
S soft brake assembly
Tension coil spring
4-1-5. Timing Belt (Reel) Tension Adjustment
Driver
Adjustment screw
4-9