Teac MT-20D-IO - Page 95

4-1-2 Check and adjustment
Table 402 lists all the check and adjustment items.
Unlike the routine maintenance items, each item of this table need not be
executed at the specified periods. Execute these items during replacement
of the maintenance parts or at the time of fault occurrence as required on
referring to the precautions given in Para. 4-2 and the individual relevant
items listed in Para. 4-3.
The maintenance order in Table 402 applies to the case where all items of
check and adjustment in this table are to be executed.
Table 402 Check and adjustment items
Mainte- Required Descriptive
nance Check and Adjustment Items Time
Item of
Order
90ips I 30ips
Maintenance
1
Positional adjustment of reel motor
(F) ,
5 min.
4-3-1
(R)
Assty
2 Height adjustment of encoder roller 5 min. 4-3-2
3
Check
of
rotary direction of reel motor 2 min. 4-3-3
4
Check of file protect sensor
2
min. 4-3-4
5
Check of cassette loading and unloading 2 min. 4-3-5
6
Check of head shift
2
min. 4-3-6
7 Check and adjustment
of
tape
winding 10 min. 4-3-7
8
Check and adjustment
of head alignment 10 min. 4-3-8
9
Check of AGC operation
2
min. 4-3-9
10
Check and
adjustment of
BOT/EDT hole
3 min. 4-3-10
sensor
11
Check and adjustment of tape
speed
3 min.
4-3-11
12 Check of start/stop
time 4 min. 4-3-12
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