Philips VR299/55 Service Manual page 27

2.2.24 Rotor Assembly
(1) Remove the stator assembly.
(2) Remove the two screws (B) and remove the rotor as-
sembly.
Screws (B)
Rotor assembly
Fig. 2-2-42
Note: When installing the rotor assembly, note that a
normal picture cannot be obtained without ensur-
ing the phase matching as mentioned below.
{3} Match the phases of the upper drum assembly and the
rotor assembly as indicated in Fig,2-2-43.
(4) Place the upper drum assembly hole (a) over the rotor
assembly holes (b) (with three holes to be aligned) and
tighten the two screws (B). (See Fig.2-2-43.}
Hole(a)
Screw holes
Upper drum
assembly %¥ The hole is not iri
line but is offset
toward the right.
Rotor assembiy
Fig. 2-2-43
2.2.25 Upper Drum Assembly
1. How to remove
(1) Remove the stator assembly and rotor assembly.
{2} Loosen the screw of the collar assembly using a 1.6 mm
hexagonal wrench and remove the collar assembly. Also
remove the brush, spring and cap at one time.
(3) Remove the upper drum assembly and remove the
washer using tweezers.
Note: When replacement is required, control the up-
down movement of the brush. Never apply
grease.
Collar
assembly 1.6mm
hexagonal wrench
Loosen
Upper drum
assembly a =
MISES ces Shaft
wth
=]
Lower drum assembly
Fig. 2-2-44
2. How to install
{t} Clean the coil parts of the lower drum assembly and the
newly installed upper drum assembly with an air brush
in advance. (See Fig.2-2-45.)
(2) Install a new washer and upper drum assembly on the
drum shaft. (See Fig.2-2-44.}
Note: When replacing the upper drum assembly, re-
place it the together with the washer.
Lower drum assembly
Upper drum assembly
Fig. 2-2-45
2-19