RECOVERY WATER SYSTEM
ENGLISH
SERVICE MANUAL
76
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
VACUUM SYSTEM MOTOR ELECTRICAL INPUT CHECK (For BA 451, BA 451D, BA 531, BA 531D, BA
551, BA 551D, BA 551CD, BA 611D)
WARNING!
This procedure must be performed by qualified personnel only.
If the tank (21) contains recovery water:
1.
- Drive the machine to the appointed recovery water disposal area.
- (For
BA 451D, BA 531D, BA 551D, BA 551CD, BA 611D
) Turn the ignition key (80) to “0”.
- (For
BA 451, BA 531, BA 551
) Turn off the switches (71) and (73).
- Empty the recovery water tank (21) with the hose (16).
Drive the machine on a level floor.
2.
- (For
3.
BA 451D, BA 531D, BA 551D, BA 551CD, BA 611D
) Turn the ignition key (80) to “0”.
- (For
BA 451, BA 531, BA 551
) Turn off the switches (71) and (73).
Disconnect the battery connector (12).
4.
Grasp the handle (41) and carefully lift the tank (40).
5.
Apply the amperometric pliers (A) on one cable (B) of the batteries.
6.
(For
7.
BA 451D, BA 531D, BA 551D, BA 551CD, BA 611D
) Turn the ignition key (80) to “I”.
Turn on the vacuum system by pressing the switch (73) and check that the motor electrical input is 16 - 19 A at 24 V.
8.
Turn off the vacuum system by pressing the switch (73).
Remove the amperometric pliers (B).
If the electrical input exceeds the specifications, check the motor carbon brushes (see the procedure in the relevant
paragraph).
If necessary, disassemble the vacuum system motor (see the procedure in the relevant paragraph), and check the condition of
all its components.
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.
9.
B
A
S301553