Samsung VP-D455, Service Manual, Page: 23 / 184

Alignment and Adjustments
3-13
Samsung Electronics
3) Periodic Maintenance and Check List
When overhauling, refer to the following table.
2mm
OIL
◆
When lubrication bearings, be sure to keep the oil
free of dust. (Oil contaminated with dust might
cause the bearings to wear out or seize.)
◆
A “drop”of oil is defined as the amount attached to
the tip of a Ø 2mm stick as shown in Fig. 3-16.
<Table 3-7>
Fig. 3-16
O : Cleaning ∆ : Oil
◆
: Confirmation
Tape
path
system
D
R
I
V
I
N
G
S
Y
S
T
E
M
- Never let oil get on to the tape path
surface.
Maintenance checks
Hours of use (H)
Remark
500 1000 1500 2000 2500 3000 3500 4000 4500 5000
Cleaning of tape path O O O O O O O O O O
Cleaning and degaussing of drum ass’y O O O O O O O O O O
Capstan Shaft ∆ ∆ ∆ ∆ ∆
Gear Capstan ∆ ∆ ∆ ∆ ∆
Gear Pully Shaft ∆ ∆ ∆ ∆ ∆
Belt Timing
◆ ◆ ◆ ◆ ◆
Motor Loading
◆ ◆ ◆ ◆ ◆
Abnormal Noise
◆ ◆ ◆ ◆ ◆ ◆ ◆ ◆ ◆
Back Tension
◆ ◆ ◆ ◆ ◆
Brake System
◆ ◆ ◆ ◆ ◆
PB, REV Torque Measurement
◆ ◆ ◆ ◆ ◆
Confir-
mation
Perform-
ance