Electrical System – 5000 Operating description T-code 677, 678, 679
Valid from serial number 723984-
Date 2005-10-28
Order number 222995-040
14.3 Operating description 14.3.1 Starting truck To enable the truck to be started, the battery plug must be connected, the emergency switch (S21) closed and the start key (S17) in the ON position.
14.3.2 Driving speed ≤ 6 km/h When driving at a speed of 6 km/h - the switch for driving brake (S10) must be closed, and the - Speed controls must be activated in any direction.
A1 BS1 T1
Ish
Ia
14.3.3 Braking in neutral mode
MShunt
+
S2 A2
A A1
T2
K10
B+
• when the speed controls are in neutral mode, the engine functions as a generator. The braking energy is fed back to the battery. • The brake (Y1) is engaged when the truck stops completely even if the tiller arm is in drive position. • Energy is fed back to the battery (see diagram below). • The transistors (T2) for the brake circuit generated are not live.
A1 BS1
Ish
Ia
MShunt
+
T1
S2 A2
A A1
T2 K10
B+
14.3.4 Braking in neutral mode on a slope If the driver releases the speed control on a slope and the truck does not stop within a certain space of time, the electrical brake is automatically engaged.
14- 22
Service Manual
7PM18, 7PM20, 7PML20
© TIEE SARL
