87
Service
gear. Install the spacer, potentiometer drive
gear, Nord-Lock washers and nut on the
command shaft and tighten the nut to the
recommended torque value.
477
465
D) Install the slide valve control motor assem-
bly with the four hex head bolts and Nord-
Lock washers that hold the slide valve con-
trol motor assembly to the motor plate.
Connect the wires to the slide valve control
motor and potentiometer.
E) Refer to the appropriate Microprocessor In-
struction Manual for the procedure to
recalibrate the potentiometers. The unit can
now be evacuated and leak checked as out-
lined in section 0.03.
4.23
POTENTIOMETER REMOVAL
(GEAR MOTOR ONLY)
A) Remove the cover for the slide valve control
assembly. Mark and disconnect the wires to
the potentiometer (419).
B) The capacity gearmotor potentiometer uses
a larger potentiometer gear and a small drive
gear on the command shaft. The volume
ratio gearmotor uses a small potentiometer
gear and a large drive gear on the command
shaft. The potentiometer bracket (428) is in-
terchangeable and can be used for either the
capacity or volume control.
C)
Loosen and remove the socket head cap
screws (456) and Nord-Lock
®
(476) wash-
ers to remove the potentiometer assembly
from the slide valve motor bracket.
Содержание VSM 71-701
Страница 1: ...1 VPN 35391S February 2006 Rev 05 Price 60 00...
Страница 2: ...2...
Страница 20: ...20...
Страница 52: ...53 Pre Start Up Check List...
Страница 99: ...99 Recommended Spare Parts List...
Страница 104: ...104 Gate Rotor...
Страница 110: ...110 Main Rotor VSS...
Страница 112: ...112 Main Rotor VSR...
Страница 114: ...114 Slide Valve Cross Shafts and End Plate...
Страница 118: ...118 Capacity Slide Volume Slide Carriage Assembly Slide Valve Carriage Assembly...
Страница 134: ...134 Miscellaneous Frame Components VSS Screw Compressor VSR Mini Screw Compressor...
Страница 138: ...138 C FlangeAdapter Components 630 620 610 640 601 641 630 601 620 610 640 641 642 650 651...
Страница 140: ...140 Replacement Parts Tools...
Страница 144: ...144 GaterotorAssembly...
Страница 148: ...148 Main Rotor Slide Valve Cross Shafts and End Plate Models 71 401 Only Counter clockwise...
Страница 151: ...151 See Next Page for Models 501 701 Main Rotor Slide Valve Cross Shafts and End Plate V S M Parts List...
Страница 152: ...152 Main Rotor Slide Valve Cross Shafts and End Plate Model 501 701 Only Clockwise...
Страница 154: ...154 Volume Ratio Capacity Slide Carriage Assembly Slide Valve Carriage Assembly...
Страница 158: ...158 Miscellaneous Frame Components Model VSM 501 701 Model VSM 71 401...
Страница 160: ...160 Replacement Parts Accessories Housing Accessories C Flange Assembly...
Страница 166: ...166 Haight Pumps...
Страница 170: ...3 Refrigerating Specialties Division...
Страница 184: ...C A R T R I D G E H E A T E R S Hi Temp Cartridge heaters are designed for optimum performance above and beyond the norm...
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Страница 244: ...168...