SECTION II PREVENTIVE MAINTENANCE CHECKS AND SERVICES
2-4. GENERAL PMCS INFORMATION.
The Preventive Maintenance Checks and Services (PMCS) procedures are performed on a regular basis, to ensure
operational readiness of the Ground Handling Wheels Assembly Defects should be found before they result In serious
damage, equipment failure, or personnel injury. This section contains the PMCS procedures, authorized cleaning agents,
and leakage definitions required by the equipment operator.
2-5. PMCS PROCEDURES.
Information about the general and specific PMCS procedures, and directions for using the Operator's PMCS Procedures
table are presented in the following paragraphs.
2-5.1. General Operator's PMCS Procedures. General rules to follow while performing specific PMCS procedures are
Safety. Observe all WARNINGS and CAUTIONS while performing PMCS procedures. Ensure that items are
correctly assembled, secured, serviceable, adequately lubricated, and not worn or leaking.
An item is CORRECTLY ASSEMBLED when it is in proper position and all parts are present.
Wires, nuts, hoses, fittings, or attaching hardware are SECURE when they cannot be easily removed by
hand or wrench.
An item is SERVICEABLE if it is not worn beyond repair or likely to fall before the next scheduled
An item is ADEQUATELY LUBRICATED if it has been lubricated in accordance with standard or specified
An item should be checked for LEAKAGE. Definitions for leakage are presented in paragraph 2-7.
Defects. Ensure that welds, tubing, and hoses are free of defects as described below:
Check for loose or chipped paint, rust, or gaps where parts are welded together If a bad weld is found,
notify your supervisor immediately.
Look for cracked, frayed, loose, or broken tubing and hoses. Repair or report unserviceable.
Check for wear, damage, and leaks, and ensure that couplings and fittings are tight. Wet spots indicate
leaks, but a stain around a coupling or fitting can also mean a leak in accordance with paragraph 2-7. If
wear, damage, or leaks are found, notify your supervisor.