FIELD (UNIT) MAINTENANCE
LARGE CAPACITY FIELD HEATER
MOS 63J or 52C
Main battery switch OFF and handle removed
Inspect the cabinet and ensure that there are no dents, cuts, or other damage that could prevent the
heater from operating safely.
1. Lubricate slide portion (1) and pivot (2) of all locking fasteners (3) with silicone lubricant.
2. Lubricate all door latches (4) and hinges (5) and with silicone lubricant.