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5
Rotor Assembly
5.1 Removing the Rotor Assembly
Before this is attempted it is necessary to remove both sideplates
(section 4) and the blades (section 3).
1. Protect the body bore from damage by inserting a thin sheet of
plastic or card between the body bore and the rotor. Item 1, Fig 14.
2. Withdraw the rotor partially outwards and then support the rotor
weight. Continue withdrawing the rotor placing upwards
pressure on the shaft end to prevent scoring the body. See Fig
14.
Key
1. Protective sheet
1
Figure 14. Removing the Rotor Assembly.
5.2 Bearing Inners
Extracting the bearing Inner
1. To extract the bearing inner, you must carefully grind the diameter
of the bearing inner to generate a groove.
2. Gently tap the bearing inner with a hammer and a small bar approx.
5 mm in diameter to loosen it from the diameter. A noise should
be heard when the inner comes free from the rotor diameter.
See fig 15, for full illustration of removal details.
Figure 16 .Bearing inner location using a hollow dolly.
CAUTION
Do not use a blow torch or
local temperatures may
damage the bearing.
Replacing the Bearing Inner
1. Ensure all the mating faces are clean and free from burrs/damage.
2. Heat the bearing inner to 120
˚C, (248˚F) using an oven.
3. Quickly place the bearing inner over the rotor shaft & slide down to
the rotor face. To locate the bearing inner properly use a hollow
dolly. SeeFig16.
Fitting the bearing inner without heating could result in damage to the
shaft.
Summary of Contents for GD150
Page 1: ...Service Instruction Manual GD150 ROTARYVANE COMPRESSOR 4990716000 November 25 2014...
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