TM 55-4920-215-15
Table I. Operator Daily Service-Continued.
materials are used. Use only in well-ventilated places.
b. Drycleaning solvent evaporates quickly and has
Intervals
a drying effect on the skin. If used without gloves it may
After
Before
During
At halt
Procedure
cause cracks in the skin and, in the case of some
Operation
Operation
Operation
individuals, a mild irritation or inflammation.
Usual conditions-Continued.
X
---
X
X
Operating Units. Check all
c. Avoid getting petroleum products, such as
units for correct assembly
drycleaning solvent, mineral spirits paint thinner, engine
and loose mounting. Ad-
just as necessary.
fuels, or lubricants, on rubber parts as they will
X
---
----
X
Power Supplies. Check for
deteriorate the rubber.
loose power supply con-
nections; check for frayed
d. The use of diesel fuel oil, gasoline, or benzene
or cracked insulation.
(benzol) for cleaning is prohibited.
X
----
----
Operation. While equipment
is operating, check for un-
Table I. Operator Daily Service
usual sounds, vibrations,
Intervals
or malfunction.
Before
During
At halt
After
Procedure
X
----
----
X
Lubrication. Lubricate in
operation
operation
operation
accordance with para-
granhs 29 and 30.
Unusual conditions
Usual conditions
X
X
X
X
X
---
X
X
Visual Inspection of Equip-
and 20).
meit. Inspect for condi-
X
X
X
X
tion, security and wear.
X
----
X
X
X
Cleaning of Equipment.
X
X
X
X
Wipe dirt, oil, rust, cor-
X
----
X
X
rosion, and debris from
X
----
X
X
equipment. Refer to pa-
X
X
X
X
ragraphs 181 through 184
for cleaning instructions.
Table II. Preventive Maintenance Services
1. Electrical System
Intervals
Item
Inspect
Service
Inspected
for
required
Weekly
Monthly
Operation and function.
See technical manual listed
X
WIRING AND POWER
Cracked protective covers.
Wrap cracked areas with
X
CORDS
electrical tape or replace
as required.
Loose connections.
Tighten screws; replace con-
X
nections
Damaged plugs
Replace plugs.
X
Loose Wires.
Return wire to proper posi-
X
tion.
Frayed wiring.
Wrap with electrical tape
X
or replace as required.
X
tions, splice and wrap
with electrical tape.
Broken conductors.
Splice; wrap splices with
X
electrical tape.
17