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[ 7 ] Installing the Main Frame ASSY
(1) If the main frame ASSY has been disassembled, assemble the components by referring to
the following pages.
(2) Assemble the cutter lever onto the upper cover.
(3) Pull down the roller release lever to the vertical position and set the main frame ASSY onto
the upper cover. (For making the following jobs easier, push the roller release lever to the
horizontal position.)
(4) Secure the main frame ASSY to the upper cover with two screws.
Tightening torque: 392±98 mN•m (4±1 kgf•cm)
(5) Put the switch ASSY harness into the “A” of the upper cover.
(6) Connect the following harnesses to the main PCB unit:
- Full cutter sensor harness (PT-1900 only)
- Cutter motor harness (PT-1900 only)
- Cutter sensor harness (PT-1850 only)
(7) Connect the head cable to the main PCB unit.
Note: Be sure to route the cutter sensor harness between the cutter motor and the main
frame as illustrated below. This will prevent the harness from getting hooked over the
boss provided on the bottom cover when reinstalling the bottom cover.
(8) Solder the DC motor harness to the DC motor PCB.
Note : Be careful to the direction of the motor harness (+),(-) and not to stick out from the
designated place when soldering.
CAUTION: When soldering, use the lead-free solder.
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