UNIT (FIELD) LEVEL MAINTENANCE
TACTICAL QUIET GENERATOR 100 kW, 50/60 Hz MEP-807A/PU-807A
WINTERIZATION HEATER CONTROL BOX ASSEMBLY MAINTENANCE
Tools and Special Tools
Tool Kit, General Mechanic's, (WP 0119, Item 1)
Metal jewelry will conduct electricity. All jewelry can become entangled in generator set
components. Remove all jewelry when working on generator set. Failure to comply can cause
injury or death to personnel by electrocution.
DO NOT wear loose clothing when performing checks, services and maintenance. Failure to
comply can cause injury or death to personnel.
High voltage is produced when this generator set is in operation. Make sure unit is completely shut
down and free of any power source before attempting any repair or maintenance on the unit.
Failure to comply can cause injury or death to personnel.
High voltage is produced when the generator set is in operation. Never attempt to start or
maintain the generator set unless it is properly grounded. Failure to comply can cause injury or
death to personnel.
DC voltages are present at generator set electrical components even with generator set shut
down. Avoid shorting any positive with ground/negative. Failure to comply can cause injury to
personnel and damage to equipment.
1. Ensure generator set is fully stopped, ENGINE CONTROL switch is OFF/RESET, Battery Disconnect Switch
is OFF, and DEAD CRANK SWITCH is OFF before proceeding.
2. Open left rear doors.
3. Disconnect connector P26 from connector J26 (Figure 1, Item 1) and connector P27 from connector J27
(Figure 1, Item 2) of winterization heater control box assembly.
4. Remove two screws (Figure 1, Item 3), lockwashers (Figure 1, Item 4), and washers (Figure 1, Item 5), and
remove winterization heater control box assembly (Figure 1, Item 6) from rear of generator housing.