Skyjack SJ61T Service Manual

Page 158 December 2007
Telescopic Boom Series
Models SJ61T & SJ66T
194312
Section 5 - ProceduresService and Maintenance
Pin 10 - 12 volt output on wire 26 to brake valve 3H-26 to release brakes.
Test between pin 10 and 02 wire.
Pin 11 - 12 volt output on wire 27 to tilt alarm relay 27CR.
Test between pin 11 and 02 wire.
Pin 12 - Telescope out selected. Proportional output on wire 39 to telescope out valve 3H-39.
0 volts to 6.8 volts depending on boom speed control potentiometer position. Threshold= .95 volts.
Test between pin 12 and 02 wire while operating telescope out.
Pin 13 - 12 volt input from wire 4.
Test between pin 13 and 02 wire.
Pin 14 - Variable input from wire 128A.
1 volt to 5 volts depending on angle of machine.
1 volt = Level.
Test between pin 14 and 02 wire.
Pin 15 - Turret position. 12 volt input from wire 17 (limit switch LS1).
0 volts= Platform over drive axle.
12 volts= Platform over steer axle.
Test between 15 and 02 wire.
Pin 16 - Foot switch activated. 12 volt input from wire 08A.
Test between pin 16 and 02 wire.
Pin 17 - Platform rotate selected. 12 volt input from wire 36A.
Test between pin 17 and 02 wire.
Pin 18 - 12 volt input from angle sensor on wire 28. 12V= <5 degrees.
Test between pin 18 and 02 wire.
Pin 19 - Not used.
Pin 20 - Turret rotate left selected. Proportional output on wire 32 to turret rotate left valve 4H-32.
0 volts to 5 volts depending on position of joystick. Threshold= .5 volts. Test between pin 20 and 02
wire while operating turret rotate left.
Pin 21 - Platform rotate or jib function selected. Proportional output on wire 42 to proportional ow enable valve
2H-42.
0 volts to 3.85 volts while operating platform rotate depending on boom speed control potentiometer
position. Threshold= 2.3 volts.
0 volts to 9 volts while operating jib function depending on boom speed control potentiometer position.
Threshold= 2.3 volts.
Test between pin 21 and 02 wire.
Pin 22 - Boom up selected. Proportional output on wire 14 to boom up valve 4H-14.
0 volts to 6.3 volts depending on joystick position. Threshold= 1.5 volts. Test between pin 22 and 02
wire while operating boom up.
Pin 23 - Reverse drive selected. Proportional output on wire 15 to reverse drive valve 3H-15.
0 volts to 7.5 volts depending on joystick position. Threshold= 1.5 volts. Test between pin 23 and 02
wire while operating reverse drive.

Skyjack SJ61T Specifications

General

Brand	Skyjack
Model	SJ61T
Category	Lifting Systems
Language	English