Model 4700 Maintenance Manual

Section 8.Theory of Operation

All Dual Traction Motor Trucks and Single Traction Motor Trucks <S/N10677Pinout Matrix

65JEP-4 +V OUTJumper between JEP-4 and JEP-5 if TSA200-180 pump motor with 14cc hydraulic motor configuration present.

66JEP-5 CONF.Jumper between JEP-4 and JEP-5 if TSA200-180 pump motor with 14cc hydraulic motor configuration present.

67JEP-6 thru 14NOT USED

68JFP-1 +V KEYB+ from Key switch (SW1). If not present, check Key switch, wiring, and connections.

69JFP-2 +V COILVoltage from the PPA to CT2 coil (J50-6). If not present, check the PPA, wiring, and connections. Approx. 32ohms across coil.

70JFP-3 and 4NOT USED

71JFP-5 SAFETY/ AMPLIFIER ENABLE

B– from JFP-11 on the PPA. If voltage is >1V (wrt B–) check jumper from JFP-11. If jumper is OK, check B– to PPA.

72JFP-6 PM TEMPInput to the PPA from the Pump Motor (PM) temperature switch (TS3). Input will be low under normal operating conditions. If overtemp condition exists [>266°F (130°C)], input will be high. Allow to cool. If still open (high), check switch, wiring, and connections.

73JFP-7 NOT USED

74JFP-8 –V COILVoltage from the PPA to CT2 coil (J50-5). If not present, check the PPA, wiring, and connections. Approx. 32ohms across coil.

75JFP-9 and 10NOT USED

76JFP-11 B–

78JP2-1 B–

Publication 1160093, Issued: 20 May 2013

B+ if jumper in place. 0V - no jumper.

Battery voltage wrt BT1+

Approx. 0V closed; 9V open

TS3PPA

Approx. B+ to energize coil; drops to approx. 14V for holding wrt B+

Battery voltage wrt BT1+

Battery

PPATS3

B– PPAPPA Item Connection Function Description Theory of Operation Normal Level Signal Source Signal User

Section 8.Theory of Operation

Model 4700 Maintenance Manual

Pinout MatrixAll Dual Traction Motor Trucks and Single Traction Motor Trucks <S/N10677

79JP2-2 CONFIG JUMPER Configuration jumper installed on single traction motor trucks only.

80JP4-1 CAN L Communication between the PPA and the TPA (JT4-2).

81JP4-2 NOT USED

82JP4-3 CAN HCommunication between the PPA and the TPA (JT4-4).

83JP4-4 NOT USED

84JP6-1 +12V +12V to the Pump Motor (PM) encoder (EN3). If not present, check the PPA, wiring, and connections.

85JP6-2 GND Ground to the Pump Motor (PM) encoder (EN3). If not present, check the PPA, wiring, and connections.

86JP6-3 PM ENCODER CHANNEL A Channel A from the Pump Motor (PM) encoder (EN3). If not present, check voltage to the encoder, wiring, and connections.

87JP6-4 NOT USED

88JP6-5 PM ENCODER CHANNEL B Channel B from the Pump Motor (PM) encoder (EN3). If not present, check voltage to the encoder, wiring, and connections.

89JP6-6 NOT USED

90JP8 NOT USED

91JP12-1 +V KEYB+ from Key switch (SW1). If not present, check Key switch, wiring, and connections.

92JP12-2 +V COILVoltage from the PPA to CT2 coil (J50-5). If not present, check the PPA, wiring, and connections. Approx. 32ohms across coil.

93JP12-3 NOT USED

94JP12-4 SEAT Input from the Seat switch (SW2). If not present, check seat switch, jumper, wiring, and connections.

95JP12-5 AMPLIFIER ENABLE B– from JP12-11 on the PPA. If voltage is >1V (wrt B–), check the jumper from JP12-11. If jumper is OK, check B– to the PPA.

96JP12-6 NOT USED

B– if jumper. No jumper: high

Battery voltage wrt BT1+

Approx. 5V running; 0V or 10V static

Approx. 5V running; 0V or 10V static

Approx. B+PPACT2

Battery voltage wrt BT1+

Publication 1160093, Issued: 20 May 2013