tion and where moderate temperature, humidity,
are prescribed in the " ey"in accordance with
and atmospheric conditions prevail.
three temperature ranges; above +32°F., +40° to
d. Unusual Conditions. Reduce service intervals
-10°F., and from 0° to -65°F. Change the grade
specified on the lubrication order, i.e., lubricate
of lubricants whenever weather forecast data in-
more frequently, to compensate for abnormal or
dicate that air temperatures will be consistently
extreme conditions, such as high or low tempera-
in the next higher or lower temperature range or
when sluggish operation caused by lubricant
tures, continued operation in sand or dust, or
exposure to moisture or salt water environment.
thickening occurs. No change in grade will be
made when a temporary rise in temperature is
Any one of these operations or conditions may
cause contamination and quickly destroy the pro-
f. Maintaining Proper Lubricant Levels. Lu-
tective qualities of the lubricants. Intervals may
bricant levels must be observed closely and
be extended during inactive periods commensur-
necessary steps taken to replenish in order to
ate with adequate preservation.
maintain proper levels at all times.
e. Changing Grade of Lubricants. Lubricants
Section III. PREVENTIVE MAINTENANCE SERVICES
the equipment if operation were continued. AU
deficiencies and shortcomings will be recorded,
To insure that the fork lift truck is ready for
together with the corrective action taken, on DA
operation at all times, it must be inspected sys-
Form 2404 at the earliest possible opportunity.
tematically, so that defects may be discovered
and corrected before they result in serious dam-
3-7. Preventive Maintenance Checks and
age or failure. The necessary Preventive Main-
tenance Checks and Services to be performed are
a. General. This paragraph contains tabulated
listed and described in paragraph 3-7. The item
listing of preventive maintenance checks and
numbers indicate the sequence of minimum in-
services which must be performed by the op-
spection requirements. Defects discovered during
erator and/or Organizational Maintenance per-
operation of the unit shall be noted for future
sonnel. The item numbers are listed consecutive-
correction, to be made as soon as operation has
ly and indicate the sequence of minimum re-
ceased. Stop operation immediately if deficiency
quirements. Refer to Table 3-1 for the preven-
tive maintenance checks and services.
is noted during operation which would damage
Table 3-1. Preventive Maintenance Checks and Services
Item to be inspected
Lubricate in accordance with
the Lubrication Order.
Headlight and tail-
Check operation. Replace de-
Check for cuts. Remove em-
bedded foreign material.
Check for leaks and loose
connections. Fill as required
to within 1/4-inch of top.
Hydraulic oil tank
Check fluid level. Fill as re-
quired. Replace dirty air
Remove corrosion. Add elec-
trolyte as required.
Check for strong pressure
when brake pedal is applied.
Check for exercise