TM 5-3825-270-23&P
FIELD MAINTENANCE
MAIN CONTROL BOX REPLACEMENT
INITIAL SETUP:
Equipment Condition (cont.)
Tools and Special Tools
Main control panel engine OFF/battery drain
Tool Kit, General Mechanic's: Automotive
indicator removed. (WP 0093)
(WP 0225, Table 1, Item 12)
Main control panel engine speed resume/idle
Tap & Die Set (Screwdriver) (WP 0225, Table 1,
switch removed. (WP 0094)
Item 2)
Main control panel engine speed RPM switch
removed. (WP 0095)
Materials/Parts
Main control panel engine speed set switch
Tags, Identification, White (WP 0224, Table 1, Item
removed. (WP 0096)
54)
Main control panel engine temperature gauge
Locknut (WP 0226, Table 1, Item 38) Qty: 5
removed. (WP 0097)
Main control panel tachometer/hourmeter
removed. (WP 0102)
References
Main control panel water level high indicator
Parts Manual (WP 0220) Figure 4018
removed. (WP 0103)
Main control panel water level low indicator
Equipment Condition
removed. (WP 0104)
Batteries disconnected. (WP 0085)
Main control panel water sprinkler switches
Main control panel battery voltage gauge removed.
removed. (WP 0105)
Main control panel 15 AMP circuit breaker
Main control panel emergency stop pushbutton
removed. (WP 0078)
removed. (WP 0088)
Water pump inlet gauge and hose removed.
Main control panel light switch removed.
Water pump outlet gauge and hose removed.
Main control panel engine oil pressure gauge
removed. (WP 0090)
Main control panel engine start/stop switch
removed. (WP 0091)
REMOVAL
NOTE
Tag and mark wires prior to removal to ensure proper installation.
Note position and location of wire harness through bottom of control panel.
All wires are removed from terminal strips the same way.
Some sockets may have two wires twisted together. Tag both wires to ensure proper
installation.
Perform Steps (1) through (14) for engine wire harness.
1.
Remove retaining nut (Figure 1, Item 6) and slightly lower engine wiring harness (Figure 1, Item 5) from main
control box (Figure 1, Item 4).
0100-1