JLG X23J - X700AJ Service Manual - Manual (Page 351)

SECTION 3 - CHASSIS & TURNTABLE
3-324 – JLG Lift – 3121448
HATZ wiring designations
X 4 Socket on emergency stop switch
X 5 Terminal block on control box / terminal box
Y 1 Speed control actuating solenoid
Y 2 Engine shutdown actuating solenoid
Y 3 Servo solenoid (= valve solenoid) for engine
shutdown
Y 4 Fuel shutoff valve
Y 5 High-pressure shutdown valve
Z 1 Suppressor choke
Z 2 Suppressor capacitor
Code Designation of electrical component
Terminal Designation
0 Earth (ground)
1 Generator B+
2 With alternator: D+ With flywheel gener-
ator: Terminal L at regulator
3 Starter terminal 50
4 Oil pressure switch
5 Temperature switch on cylinder head
6 Preheat glowplug I
7 Engine shutdown solenoid
8 Preheat glowplug II
9 Start-stop input
10 Positive terminal for DC motor, precision
speed control
11 Negative terminal for DC motor, precision
speed control
12 Oil pressure sensor
13 * * * reserved for special applications * * *
14 Speed control solenoid - holding-on
winding
15 * * * reserved for special applications * * *
16 Actuating solenoid for decompressor
17 Maintenance switch for air cleaner
18 Engine shutdown solenoid (energising
winding)
19 Temperature sensor at cylinder head
20 Oil temperature switch
21 Fan monitoring switch
22 Terminal W for engine-speed measure-
ment
23 Starter 30 (with ammeter connection)
24 Terminal C with regulator on flywheel gen-
erator
25 Oil temperature sensor
26 Terminal 50f at starter protection module
27 * * * reserved * * *
28 Speed control solenoid (energising wind-
ing)
29 * * * reserved * * *