Daikin ZHA7MSG Инструкция по эксплуатации IV ver онлайн [14/58] 527071

Si50-402 Overhaul Instructions

Semi-Hermetic Single Screw Compressor Version IV 13

3. Inspection of The Gate Rotor and Surrounding Parts

(1) Checking the slit clearance

Measure the slit clearance by referring to Section 3.2.3) "Inspecting The Gate Rotor."

(2) Measuring the backlash

Measure the backlash of the gate rotor and screw rotor. If the measured value exceed the

standard value, replace the gate rotor.

[Standard value] 0.15 mm or less for all teeth (ZH3, 5) and 0.20mm or less for all teeth

(ZH7, 9)

Fig. 4-4 Measurement of gate rotor backlash

4. Disassembling The Gate Rotor and Surrounding Parts

(1) Positioning the screw rotor

Position the screw rotor so that the gate rotor can be removed

without damage.

(2) Removing the gate rotor partition lid

In the ZH3F, the gate rotor partition lid is mounted together

with the lower bearing holder.

Fig. 4-5 Screw rotor position

Fig. 4-6 Cross sectional diagram of gate rotor