EP Equipment CQD16, Service Manual

Page: 127 / 251

REV. 07/2016
ELECTRICAL SYSYTEM
8
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8.5 Limit Switch
Limit switch is variable roller lever type. By
function:
- Reset Switch (RVF/NRVF)
- Lifting Speed Reduction Switch
8.5.1 Removal and Installation
-
-
Unscrew three fi xing screws (1), then the limit
switch cover (3) can be removed from the
limit switch seat (2);
Put the wiring harness through the wire
protective ring (4) and install the connector
to terminals on switch seat (2); (see Section
8.4.2 for the connection methods of three
switches)
- Re-install the switch cover (3) onto the switch
seat (2) and tighten the
fi xing screws (1).
When installing waterproof rubber ring, make
sure it is fully seated in the mounting slot of the
switch seat.
CAUTION
Adjustment
-
-
The direction of roller lever seat (5) can be
adjusted through adjusting the adjustment
screw (8);
The sensing distance of roller lever (6) can
be adjusted through adjusting the adjustment
screw (7).
8.5.2 Connection Mode
Limit switch has 4 terminals, one pair is
normally-opened (NO) and the other pair
is normally-closed (NC), the switch can be
switched between open and close by toggling
the roller lever to achieve the control of
connection and disconnection of the circuit.
Reset Switch (RVF/NRVF)
Normally-open (N0):
Terminal (3) and Terminal (4) for connection of
wiring harness connector to switch base
Lifting Speed Reduction Switch
Normally-open (N0):
Terminal (3) and Terminal (4) for connection of
wiring harness connector to switch base