TM 5-3820-205-10-2
LEAKAGE DEFINITIONS FOR OPERATOR/CREW PMCS
Class I Seepage of fluid (as indicated by wetness or discoloration) not enough to form drops.
Class II Leakage of fluid great enough to form drops, but not enough to cause drops to drip from item being
checked/inspected.
Class III Leakage of fluid great enough to form drops that fall from the item being checked/inspected.
Caution
Equipment operation is allowable with minor leakages (Class I or II). Consideration must be
given to the fluid capacity in the item/system being checked/inspected. When in doubt, notify
your supervisor.
When operating with Class I or II leaks, continue to check fluid levels as required in your PMCS.
Class III leaks should be reported to your supervisor or to organizational maintenance for corrective action.
32.
Operator/Crew Preventive Maintenance Checks and Services (PMCS)
B-BEFORE
D-DURING
A-AFTER
W-WEEKLY
M-MONTHLY
INTERVAL
ITEM TO BE INSPECTED
ITEM
PROCEDURE: CHECK FOR AND HAVE REPAIRED,
EQUIPMENT IS NOT
NO.
B
D
A
W
M
FILLED, OR ADJUSTED AS NEEDED
READY/AVAILABLE IF:
Note: Perform Weekly (W) as well as Before (B)
operation if:
1.
You are the assigned operator and have not
operated the jaw crusher since the last
weekly.
2.
You are operating the jaw crusher for the
first time.
1
EXTERIOR OF EQUIPMENT
•
a.
Visually check for fluid leakage or appearance of Class III leaks.
fluid leakage.
•
b.
Visually check for damaged piping or hoses.
Broken piping or hoses.
2
OPERATOR'S ELECTRICAL CONTROL PANEL
Warning: Do not connect electrical power or
operate the equipment if the ground connec-
tion is not properly installed (fig. 16). Death by
electrocution could result from improperly
grounded equipment.
•
a.
Visually check to see if ground rod is securely
Jaw crusher not grounded.
mounted and there are no loose connections.
•
b.
Check for proper operation. Ensure that that
switches are in the correct positions and cables
are connected (figs. 28 and 29).
37
