Brush Motor Electrical Input Check; Tm .20.D,.X.20.D) - Advance acoustic Adfinity 17ST Pressure Washer

ENGLISH SERVICE MANUAL
BRUSHING SYSTEM
BRUSH MOTOR ELECTRICAL INPUT CHECK (For Adfinity
WARNING!
This procedure must be performed by qualified personnel only.
Check
1. If the tank (21) contains recovery water:
• 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).
2. Drive the machine on a level floor.
3. Remove the brush/pad-holder.
4. Lower the deck by pressing the pedal (11).
5. Turn the ignition key (80) to "0".
6. Grasp the handle (41) and carefully lift the tank (40).
7. (For.Adfinity X 20 D).
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• Unscrew the union (A).
• Remove the detergent tank (B).
• Remove the screws (C).
• Slightly lift the tank holder (D) and mark the position of the connectors (E) and (F) (to reinstall them correctly), which
must be as follows:
• Connector (E): white cable
• Connector (F): blue cable
• Disconnect the connectors (E) and (F) from the detergent pump (G).
• Disconnect the hoses (H) from the union (I) and remove the tank holder (D) together with the detergent pump (G).
8. Apply the amperometric pliers (J) on one cable (K) of the brush motor (L).
9. Turn the speed adjuster (84) to idle and turn the ignition key (80) to "I".
10. Turn on the brush/pad-holder by pressing the switch (71) and check that the motor electrical input is 3 - 4 A at 24 V. Turn off
the brush/pad-holder by pressing the switch (71).
Turn the ignition key (80) to "0".
Remove the amperometric pliers (J).
If the electrical input is higher, perform the following procedures to detect and correct the abnormal input:
NOTE
If the electrical input is higher than the maximum allowed value, the 3 battery warning lights (81) flash simultaneously.
• Check the tightening of F1 fuse screw (see the procedure in Fuse Check/Replacement paragraph).
• Check if there is dust or dirt (ropes, cables, etc.) on the brush/pad-holder hub.
• Check the motor carbon brushes (see the procedure in the relevant paragraph).
• Disassemble the 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).
Reset
11. Perform steps 3 to 7 in the reverse order.
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9096982000(1)2007-02
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Adfinity 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D
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20 D - X 20 D)