Radio Shack TRS-80 PT-210 Service Manual page 53

Install the Belt to both Motor Timing Pulleys. (Install
the Platen side first.) Attach the LF Motor with
screw
Motor
Timing
Pulley
, /
I ,
I
0
3
Motor
Timing
Pulley
L/F Motor
Timing
Belt
Figure 50.
Replacement of the Belt (LF Motor Timing)
1. Take out the two mount screws @and@)
from the Motor Timing Pulley. Remove the Motor Tim-
ing Pulley and Belt. (see Figure 50)
2. Install the new Belt on the Motor Timing Pulley.
Mount the Motor Timing Pulley on the Motor Shaft and tighten screws @and@
Motor Timing Pulley should be
installed 6 mm from the Motor face. (see Figures 49 & 50)
Replacement of the Solenoid (Refer to Figure 49)
1. Remove the Tension Spring from the Solenoid plunger.
2. Take out the two screws
@
Remove the Solenoid from the Frame Unit.
Disconnect the connector from the control P.C.B.
3. Take out the two screws
(@)
and remove the Head Lever from the Head Shaft.
4. Take out the Spring Pin
Q).
Remove the Plunger and the Head Lever.
5. Install the new Solenoid Plunger and the ~ e a d ' Lever with the Spring Pin
(7).
6. Attach the Head Lever to the Head Shaft with the two screws
0.
7. Insert the plunger and the Head Lever in to the new Solenoid and tighten the set screws
@.