Sony FVS-1000 System Maintenance Manual page 182

4-5. Replacing the Tension Regulator Assembly
10. GR1 and GR2 (GR9 and GR10) guide
rollers height adjustment
Adjust the height of the GR1 and GR2 guide
rollers (GR9 and GR10 guide rollers) in the
following steps.
(1) Clean the reference base assembly and 35GR
height gauge.
(2) Install the reference base assembly to the FTP
panel F fixing supports as shown in the
figure, and tighten it using L-shaped hexago-
nal wrench (across flat: 3 mm, for M3).
(Refer to step 8 of Section 4-4.)
(3) Put the 35GR height gauge on the reference
base assembly, and slide it so as to contact to
each guide roller in the direction shown in the
figure while pressing the height gauge gently
against the reference base assembly.
n
Be very careful not to make damage to the
sprocket or the roller with the gauge at the
time of the height check.
Specifications:
Contact the lower surface of the 35GR height
gauge with the film support portion on the
lower flange of the guide roller.
If not to meet the specification, perform step
4 and later.
(4) Loosen the setscrew of the bearing retainer at
the upper portion of the guide roller, and
rotate the bearing retainer to meet the specifi-
cation.
(5) After tightening the setscrew, recheck the
height to meet the specification.
(6) Remove the gauge.
11. 4S tension arm (T tension arm) guide
roller height adjustment
Adjust the height of the guide roller of the S
tension arm (T tension arm) in the following
steps.
(1) Clean the reference base assembly and 35GR
height gauge.
(2) Install the reference base assembly to the FTP
panel F fixing supports, and tighten it using
L-shaped hexagonal wrench (across flat: 3
mm, for M3). (Refer to above step 10.)
4-16
S Tension regulator arm
GR1
S tension regulator
guide roller
GR2
35 GR Height gauge
Set screw
Contact the lower surface of the
gauge with the film support
portion on the lower flange
Reference base assembly
Bearing retainer
FVS-1000 MMP1