Periodic Inspection List; Appling Oil And Grease - Sony DCR-TRV725E Service Manual

2-3. Periodic Inspection List

Maintenance and inspection item
Tape running surface cleaning
Rotary drum cleaning and
degaussing
Timing belt
Capstan shaft
Loading motor
Abnormal sound
Back-tension measurement
Brake system
FWD/RVS torque measurement
Note: When the machine is overhauled, replace the parts referring to the
above list.

2-4. Appling Oil and Grease

When replacing or assembling the parts, use oil and grease while
referring to the following.
On Oil
• Be sure to use the specified grease only. (If oil of different viscosity
is used, it can cause various troubles.)
Oil: Part No. 7-661-018-18
(Mitsubishi diamond oil hydro fluid NT-68)
• The oil used for bearings must not contain any dust or other
materials, otherwise excessive abrasion and seizure of the bearing
could occur.
• A drop of oil means the amount of oil as shown in the illustration
in the right, which is the amount that is attracted to the top of a
rod of 2 mm diameter.
On Grease
• Be sure to use the specified grease only. (If oil of different viscosity
is used, it can cause various troubles.)
Floil grease: Part No. 7-662-001-39
• Be sure to use grease into which dust is not mixed.
• The amount of grease is 1 to 1.5 mm diameter in length.
Operating hours (H)
500 1000 1500 2000
a a a a
a a a a
— —
— —
— —
— —
— —
— —
— 10 —
2500 3000 3500 4000
a a a a
a a a a
— —
— —
— —
— —
— —
— —
Metal rod of
1 mm diameter
Fill the oil of
about 2 mm depth
Fig. 2-2
Remarks
4500 5000
a a
Be careful not to attach oil
a a
Be careful not to attach oil
—
Never attach oil to the
— tape running path during
periodic inspection.
—
—
—
—
a: Cleaning,
: Check
1 mm diameter
Oil