Hitachi D-E99 Service Manual page 7

)
Tape driving force
Fig. 3
Brake plate
~
i : :
.i~-
' @ >i' i ;
Supply side Take-up side
brake torque brake torque
Fig. 7
Note 1. Back tension adjustment
Head plate
Pressure of
pressure roller
(Supply side)
Fig. 4
Head base
Head plate return
strength
Fig. 8
When the supply back tension is out of the reference value, loosen
the BT spring fixing screw and move the BT spring up and down to
adjust so that the back tension is within the reference value.
Reel
(Take- up side)
Fig. 5
Head plate play lock
allowance
Fig. 9
BT spring
fixing screw
LUBRICATIONS
'· Lubricate one or two drops of oil to rotating point or
lubricate grease to sliding point.
Lubrication
Lubricate the respective parts listed once every 1000 hours
or once a year under normal conditions of use.
Avoid oiling them excessively, or rotation may become
irregular because of oil splashes.
Rotary
section
Sliding
section
Metal and metal
Mold and metal
Metal and metal
Mold and mold
Mold and metal
Supply side
backtension
Take-up side
backtension
Fig. 6
El~~
Head plate
I
D-E99
pressing Chassis base
strength
Fig. 10
Oil or Grease
Pan motor oi I
(10W-40)
Sonic slider oil
(#1600)
Hitasol (M0-138)
White grease
(FL-LUBE-A)
Spring resonance prevention Froil (GB-TS -1)
- 7 -