![Nilfisk-Advance CA 551 Скачать руководство пользователя страница 86](http://html.mh-extra.com/html/nilfisk-advance/ca-551/ca-551_service-manual_1693245086.webp)
DRIVE SYSTEM
ENGLISH
SERVICE MANUAL
84
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
SPEED POTENTIOMETER ADJUSTMENT/REPLACEMENT (For BA 451D, BA 531D, BA 551D, BA
551CD, BA 611D)
Disconnect the battery connector (12).
1.
Move aside the recovery water drain hose (16).
2.
Remove the battery charger cable (6), if equipped, from the cable holder (7).
3.
Remove the screws (A) and carefully move aside the panel (B) by disengaging the cable grommet (C) from its housing on the
4.
panel (B).
Disconnect the drive paddle connector (D).
5.
Remove the screws (E) and move the drive paddle cover (F).
6.
Check that the springs (G) operate correctly when releasing the drive paddle (H).
7.
Cut the fastening clamp (I) of the connector (J).
8.
Disconnect the potentiometer connector (J).
9.
Connect the tester (K) on the connections “3” and “5” of the connector (D) (to locate the connections “3” and “5”, refer to the
10.
numbers shown on the cables (L)), then check for the following:
When the paddle (H) is released, measure 2.5 KΩ ± 0.1 KΩ
•
When the paddle (H) is completely pushed forward, measure 5.0 KΩ ± 0.1 KΩ
•
When the paddle (H) is completely pulled rearward, measure 0.0 KΩ ± 0.1 KΩ
•
If necessary, to adjust the values, loosen the screw (O), loosen the nut (M) and slightly turn the potentiometer (N) as
necessary. After adjusting, tighten the nut (M) and the screw (O).
To adjust the value, when the paddle is completely pushed forward, it is possible to operate on the mechanical end-of-stroke
screw (P). Remove the tester (K).
If necessary, replace the potentiometer according to the following procedure:
11.
Loosen the screw (O).
•
Remove the screws (Q).
•
Remove the cam (R) and the connecting rod (S).
•
Cut the fastening clamp (I) and disconnect the connector (J).
•
Unsold the terminals (T), then unscrew the nut (M) and remove the potentiometer (N).
•
Install the new potentiometer in the reverse order of removal.
•
Adjust the cam (R) until the connecting rod (S) turns freely, then tighten the screws (Q).
•
Perform the adjustment shown in step 10.
•
Apply paint (U) on the nut (M).
•
Assemble the components by performing steps 1 to 9 in the reverse order.
12.
Test the drive system and speed.
13.
A
A
B
A
A
C
D
L
D
L
K
S301558