DRIVE SYSTEM
ENGLISH
SERVICE MANUAL
88
909 6756 000(
5)2010-03
BA 451 / BA 451D / BA 531 / BA 531D / BA 551 / BA 551D / BA 551CD / BA 611D
CA 451 / CA 531 / CA 551
DRIVE SYSTEM MOTOR ELECTRICAL INPUT CHECK (For BA 451D, BA 531D, BA 551D, BA 551CD,
BA 611D)
WARNING!
This procedure must be performed by qualified personnel only and with the help of an assistant.
Check that the batteries are completely charged, otherwise charge them as shown in the User Manual.
1.
If the tank (21) contains recovery water:
2.
Drive the machine to the appointed recovery water disposal area.
•
Turn the ignition key (80) to “0”.
•
Empty the recovery water tank (21) with the hose (16).
•
Drive the machine on a level floor.
3.
Lower the deck by pressing the pedal (11).
4.
Under the left side the machine, install a suitable jack (C) in the position (A), and slightly lift the machine so that the left wheel
5.
(C) can turn freely, without touching the floor or the jack.
WARNING!
While performing this procedure, pay attention to the rotation of the driving wheel (C).
Apply the amperometric pliers (D) on one cable (E) of the drive system motor.
6.
Turn the ignition key (80) to “I”.
7.
Turn the speed adjuster (4) to the maximum speed.
8.
With the help of an assistant who firmly keeps the machine by the handlebar, push the drive paddle (3) completely forward and
9.
check that the electrical input is 1.5 - 2.5 A at 24 V. Release the drive paddle (3). Turn the ignition key (80) to “0” and remove
the amperometric pliers (D).
If the electrical input is higher, perform the following procedures to detect and correct the abnormal input:
Check if there is dust or debris preventing the component rotation. The lifted wheel (C) must turn freely whit a slight
•
resistance of the differential.
If necessary, disassemble the motor-differential (see the procedure in the relevant paragraph) then check for hub correct
•
alignment and bearing smooth running.
If the above-mentioned procedures do not lead to a correct electrical input, the motor must be replaced (see the procedure in
the relevant paragraph).
Perform steps 4 and 5 in the reverse order.
10.