584 and 584HD Forwarders Machine Preheater Caterpillar

Heater System Electrical Schematic

Usage:

The circuit diagram in Illustration 3 shows the circuit for the preheater. The diagram is for preheaters that have a standard switch and a timer.

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Table 1
Item	Designation	Comment
A1	Heater
A2	Control module
B1	Flame sensor
B2	Temperature sensor
B3	Temperature limiter
B4	thermostat
BT	Battery	Machine battery
DS	Illuminated toggle switch	Operating indicator
E	Glow pin
F1	10 amp fuse	Mini circuit breaker
F2	5 amp fuse	Mini circuit breaker
F3	20 amp fuse	Mini circuit breaker
H1	"HEATING" symbol in the display	Operating indicator
H3	Symbol	Light
H6	Red (LED)	Immediate heat button light, Ready indicator, Switch on control
K1	Relay	Option for the fan of the machine for the harness
M1	Motor	Combustion air fan
M2	Motor	Pump for circulating
P2	Digital timer 1531	Programmed operation
S1	Toggle switch	Preheater ON and OFF switch
X1	4 pin connection	The plug connects to the control module (2).
X2	2 pin connection	The plug connects to the control module (2).
X3	2 pin connection	The plug connects to the control module (2).
X4	2 pin connection	The plug connects to the control module (2).
X5	2 pin connection	The plug connects to the control module (2).
X6	2 pin connection	The plug connects to the control module (2).
X7	2 pin connection	The plug connects to the control module (2).
X8	12 pin connection	The connector goes to the control module (2).
X9	12 pin connection	The connector goes to the digital timer.
X10	2 pin connection	W-Bus diagnostics
X11	2 pin connection	The connector goes to the metering pump (37).
X12	9 pin connection	Power and control harness
X13	8 pin connection	The connector goes to the 12 pin connection (29) of the digital timer.
X14	1 pin connection	The connector goes to pin 10 of the 12 pin connection (29).
X15	3 pin connection	The connection goes to the optional interface for the blower of the system.
X16	Relay socket (5 pin)	Option for the fan of the machine for the harness
Y1	Metering pump	Fuel pump for the preheater