TM 5-3820-233-12/1
Table 3-1. Preventive Maintenance Checks and Services
Interval
B - Before operation
A - After Operation
M - Monthly
Operator
Org.
D - During Operation
W - Weekly
Q - Quarterly
Item
Daily
M
Q
Item to be inspected
Procedure
Reference
number
B
D
A
W
Lubricate in accordance
with current Lubrication Order.
1
X
Engine Oil
Check for proper oil level.
LO 5-3820-233-12/1
2
X
Generator and Fan Belts
Check for fraying and breaks.
3
X
Engine Coolant
Check for proper coolant leaks.
4
X
Engine Fuel Tank
Check fuel level.
5
X
Batteries
Check electrolyte level. In freezing
weather run engine for a minimum of
one hour after adding water. Check for
tightness of connections. Remove
corrosion.
6
X
Tires
Check for 65 psi tire pressure. Check for
cuts or damage.
7
X
Movable Jaw Wedge
Inspect and tighten the movable jaw
wedge.
8
X
Key Plate
Inspect for wear and replace if necessary.
Tighten if loose.
9
X
Jacks
Straighten and adjust if necessary.
10
X
Belt wiper
Check rubber flashing position.
11
X
V-Belt and Conveyor
Check and adjust tension.
Belt
12
X
Springs
Check tension of jaw crusher springs.
13
X
Tension Rod Threads
Check and lubricate.
and Pin
14
X
X
X
Mounting Hardware
Check tightness of bolts, nuts, capscrews
and all mounting hardware.
15
X
Toggle Plate
Inspect for excessive wear.
Instruments
16
X
1800 rpm recommended setting for
plant operating speed.
Idle - 1200 rpm
Maximum-2100 rpm
Oil Pressure-Normal
Idle - 30-60 psi
Operating speed-38-60 psi
Oil Pressure-Medium
Idle - 18 psi
for Safe Operation
Operating speed - 27 psi
Maximum rpm-30 psi
Operating speed - 160-185F.
Coolant Temperature
17
X
Engine Speed
Check and maintain recommended rpm.
Check periodically during operation.
18
X
X
Air Cleaner
Change filter element when red flag locks
at top of indicator.
19
X
Check for overheating.
20
X
Troughing and
Check all rolls to ensure they are rolling
Return Rolls
freely.
21
X
Conveyor
Check belt to be sure it is running
centrally.
22
X
Discharge Openings
Check for clogging or plugging.
23
X
Stationary Jaw
Check jaw for up and down movement.
To correct.
tighten key plates.
24
X
Reciprocating Feeder
Check clutch for slipping. Adjust if
Clutch
necessary.
25
X
Skirtboard Flashing
Check for spillage between flashing and
conveyor belt. Adjust flashing or replace
if necessary.
26
X
Lights
Ensure that all lights operate properly.
3-2
