Collar
1.5 mm
Spring
assembly
hexagonal wrench
Loosen
Brush
Cap
Upper drum
assembly
Washer
Shaft
Lower drum assembly
Fig. 2-2-19a
2. How to install
(1) Clean the coil parts of the lower drum assembly and the
newly installed upper drum assembly with an air brush
in advance. (See Fig.2-2-19b.)
(2) Install a new washer and upper drum assembly on the
drum shaft. (See Fig.2-2-19a.)
(3) Install the cap to the upper drum assembly.
(4) Position the collar assembly as indicated in Fig.2-2-19c
while controlling its up- down movement.
(5) Secure the collar assembly in position with a hexagonal
wrench while pressing its top with the fingers.
(6) After installation, gently turn the upper drum assembly
with your hand to make sure that it turns normally. Then
install the brush and the spring.
(7) Install the rotor assembly and stator assembly according
to Fig 2-2-17a and 2-2-18a.
(8) When installation is complete, clean the upper drum as-
sembly and lower drum assembly and carry out the fol-
lowing adjustments.
• PB switching point adjustment
• Slow tracking adjustment
• Compatibility adjustment (Be sure to check for compat-
ibility for the EP (or LP) mode.)
Lower drum assembly
Coil parts
Upper drum assembly
Fig. 2-2-19b