Black BLK-SY10 Series Manuel de service télécharger pdf (Page 26)

SKYJACK, Page 27SJIII Series

Section 1 - Scheduled Maintenance Function Tests

Test Emergency Lowering•

1. Raise the platform.

2. Locate holding valve manual override

knob at the base of each lift cylinder.

Depress and turn counterclockwise. If

necessary, use access rod that is located

on the base of the aerial platform.

3. On hydraulic/electric tray, pull out and

hold emergency lowering valve to fully

lower the platform.

Result: The platform should lower.

4. To restore normal operation, depress and

turn holding valve manual override knobs

clockwise.

Test Free-wheeling•

1. Ensure path of intended motion is clear.

2. Release the brake manually.

3. Tu r n f r e e - w h e e l i n g v a l v e k n o b

counterclockwise to a fully opened

position and attempt to push/pull the aerial

platform.

Result: Platform should move.

4. Turn free-wheeling valve knob clockwise

to a fully closed position for normal

operation.

5. Reengage the brake.

Conventional

(Back View)

Compact

(Back View)

Platform/Off/Base

Key Switch

Lower/

Neutral/Raise

Switch

Lower/

Neutral/Raise

Switch

Free-wheeling

Valve

Emergency Stop

Button

Emergency Stop

Button

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Black BLK-SY10 Series Manuel de service Page 26

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