Minolta Di551 Service Manual page 246

[13] Removing and Reinstalling the Ther-
mostat/U (TS1)
Caution:
This is an important safety part. (P/N:
SP00-0020) Be sure to observe the follow-
ing cautions and steps when removing or
reinstalling.
Caution1: After reinstalling the thermostat/U,
make sure that its wires do not touch
the fixing upper roller.
Caution2: When reinstalling the thermostat/U,
adjust its position using the position-
ing jig (4024-2152-01) and secure it
with screws. Be sure to apply screw
lock agent to the screws. This adjust-
ment should be made in a pressured
state.
a. Removal procedure
(1) Remove the fixing unit.
(2) Remove the web cover.
(3) Remove the cleaning web.
(4) Remove one screw and two Faston terminals to
detach the thermostat/U.
Thermostat/U (TS1)
Screw
Faston terminals (2)
b. Reinstallation procedure
(1) Connect two Faston terminals to the thermostat/
U.
(2) Set a thermostat positioning jig (4024-2152-01)
between the thermostat/U and fixing upper roller
and secure the thermostat/U with one screw so
that the distance between the roller and thermo-
stat/U is equal to the thickness of the jig.
1
1. Fixing upper roller
2. Positioning jig (4024-2152-01)
3. Faston terminal
4. Screw
5. Thermostat/U (TS1)
f) Set the distance "a" between the thermostat/
U and fixing upper roller so that it is equal to
the thickness (B) of the positioning jig.
b
Standard value of b : 3.75 ± 0.1 mm
1-O-11
FIXING UNIT
2 3
4
2
5
Thermostat/U (TS1)
Fixing upper roller