Table 3-1. Preventive Maintenance Checks and Services
Item
Interval
B-Before operation
A-After operation
M-Monthly
Org.
no.
Operator
D-During operation
W-Weekly
Q-Quarterly
Daily
W
M
Q
Item to be inspected
Procedure
Reference
B
D
A
X
X
FUEL SUPPLY
Keep tank full.
X
FUEL FILTER
Clean as required
(SEDIMENT
BOWL)
X
X
RADIATOR
Fill to inch above baffle plate
X
X
RAIN SHKUTTERS
Open before starting engine, close after
stopping.
X
BATTERIES
Check electrolyte level and tightness of
connections. Fill to 3/8 inch (approx.)
above the plates. In freezing weather, run
the engine for one hour after adding
water
X
CABLES
Check for signs of wear or damage. Service
and replace as necessary.
X
FIRE EX-
Check for broken seal and correct weight.
TINGUISHER
X
HYDRAULIC
Check level and add fluid if necessary.
FLUID
RESERVOIR
X
X
X
FRONT DRUM
Check operation, adjust if necessary.
CLUTCH
X
X
X
REVERSE SHAFT
Check operation, adjust if necessary.
CLUTCH
X
X
X
REAR DRUM
Check operation, adjust if necessary.
CLUTCH
X
X
X
HORIZONTAL
Check operation, adjust if necessary.
SWING SHAFT
CLUTCH
X
X
X
BOOM HOIST
Check operation, adjust if necessary.
CLUTCH
X
X
X
FRONT DRUM
Check operation, adjust if necessary.
BRAKE
X
X
X
REAR DRUM
Check operation, adjust if necessary.
BRAKE
X
X
X
BOOM HOIST
Inspect mechanical components and check
BRAKE
operation.
X
X
X
SWING BRAKE
Check operation, adjust if necessary.
X
SHOVEL CROWD
Check for proper tension, adjust if
CHAIN
necessary. Midspan chain slack should be
approximately 1 inch.
X
REVERSING
Check for proper tension, adjust if
SHAFT CHAIN
necessary. Midspan chain slack should be
X
REAR DRUM
Check for proper tension, adjust if
CHAIN
necessary. Midspan chain slack should be
approximately inch
X
HORIZONTAL
Check for proper tension, adjust if
SWING SHAFT
necessary. Midspan chain slack should be
CHAIN
approximately inch.
X
X
CONTROLS
With the unit running, operate each control.
Insure that the controls function properly.
X
BOOM AND /OR
Visually inspect for damage such as cracks
JIB
or breaks.
X
SHEAVES AND
Visually inspect for damage such as cracks
HOOK BLOCK
or breaks.
3-2
