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Pen Scale Removal; Carriage Arm Removal; Removal Of X-Axis Rebalance Potentiometer; X-Axis Wiper Protection - HP -7035B Technical Manual

FIGURE 5-5. PEN SCALE REMOVAL

FIGURE 5-6. CARRIAGE ARM REMOVAL

5-23. POTENTIOMETER REPLACEMENT - X-AXIS

5-24. The mandrel and its mounting channel are an integral

unit, available only as a single item. Install as follows:

a. Remove rear hood and platen. See paragraph 5-18.

b. Remove 2 screws mounting slidewire assembly to

frame. See Figure 5-7.

c. Unsolder 3 wires, noting order of leads connected to

slidewire.

d. More slidewire assembly upwards, being careful

to damage wiper.

See Figure 5-8.

5-4

FIGURE 5-7. REMOVAL OF X-AXIS REBALANCE

FIGURE 5-8. X-AXIS WIPER PROTECTION

e. Install new slidewire assembly, Part No. 07035-

80730.

5-25. WIPER REPLACEMENT - X-AXIS

5-26. The wiper is made of a soft metal to absorb wear. It is

located on the pen motor block at the upper end of the carriage

arm.

New wiper assemblies should be obtained from the

factory and installed as follows:

CAUTION

not

POTENTIOMETER

Damage to the flat mandrel slidewire may

result if other than factory supplied wiper

is used.

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