Position And Function Of Contact Switches; Sq1: Low Position Contactor; Sq3: Top Position Contactor; Sq4: Travel Interruption Switch ( For Compact 12 Only) - Haulotte COMPACT 8 Operating And Maintenance Instructions Manual

7.3 -

POSITION AND FUNCTION OF CONTACT SWITCHES

Contactor SQ 5: Checks the left pothole's position.
• 0 = Device closed.
• 1 = Device open.
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Operating and maintenance instructions - COMPACT 8, 8W, 10N, 10, 12

7.3.1 - SQ1: Low position contactor

• Raising :
- Tilt sensor activated;
- Micro-speed activated;
- Activates the pothole system check and prevents potholes from
retracting.
• Lowering :
- Anti crushing safety device activated;
- Tilt sensor deactivated;
- Deactivates the pothole system check (SQ5 & SQ6) and allows potholes
to retract.

7.3.2 - SQ3: Top position contactor

• Raising is stopped when the maximum height has been reached.
• Motorpump group cut-off.

7.3.3 - SQ4: Travel interruption switch ( for Compact 12 only)

• Raising : Disables travel movements when the working height is over 10 m
/ ~ 33 ft (floor height over 8 m/~ 26ft).
• Lowering : Allows travel movements when the working height is under 10 m
/ ~ 33 ft (floor height under 8 m/~ 26ft).
7.3.4 - SQ5 & SQ6: Pothole system out
Contactor SQ 6: Checks the right pothole's position.

7.3.5 - SQ 10 : Tilt sensor

See "Checking the inclination", page 29.

7.3.6 - SP1 : Overload

• Overload control made by pressure limiter.
• 0 = Device closed
• 1 = Device open.