TM 11-7025-210-23
Table 3-1 . Organizational Preventive Maintenance Checks
and Services Semiannual Schedule -- Continued
Item
Item To Be
Equipment Will Be
No.
Inspected
Procedures
Reported Not Ready/
Available if
6. Moving three platen gears
manually, clean with soft
bristle brush and FREON-TF.
7. Vacuum dirt from beneath
gears.
Lubricate platen drive gears by
lightly coating gear teeth with
grease.
10
Print Mechanism
Check condition of forms
Gear slips because of
Tractor Drive
tractor drive gear. Clean
dirt, cracks, or
Gear
by removing dried grease and
wear.
dirt from gear with clean
lint-free cloth and FREON-TF.
11
Print Mechanism
Check tension of VFU drive
VFU belt tension
VFU Drive Belt
belt.
does not meet
specifications.
1. Using belt tension gauge,
apply a force of 2 oz.
(57g) to the center of
bottom belt span.
2. Using machinist's rule,
check deflection of belt.
It should measure 0.07-
0.13 inches.
12
Print Mechanism
Check condition of friction
Brake slips because
Friction Brake
brake as follows:
of excessive wear on
hub and/or damage to
1. Push in platen knob and
compression springs.
turn slightly back and
forth.
2. If drag is too light or
Hubs worn or compres-
missing, the hubs are
sion springs sprung.
worn or compression
springs sprung.
Lubricate friction brake by
Brake binds.
applying one drop of oil to
each end of hub.
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