Rite‑Hite
®
Owner's Manual
SHR‑5000™ Dok‑Lok
®
Publication:
AMEN00096 2018-05-30
25
TROUBLESHOOTING
Component Testing
Limit Switch
Plunger released = No meter reading
Plunger depressed = a "Full Scale" meter reading
Hook
Position
LS1
Position
LS2
Position
Inside
Light
Outside
Light Horn
1. Stored
2. No Hook
(Lower Pos.)
3. Hooked
(90°)
4. No Hook
(Upper Pos.)
Closed
Depressed
Closed
Depressed
Closed
Depressed
Closed
Depressed
Closed
Depressed
Closed
Depressed
Open
Released
Open
Released
Red
Red
Red
Red
Red
Red
Green
Green
Off
Off
On
On
Fixed Guide
Plunger with Roller
Mounting
Bolt Holes
Wire Harness
Limit Switch Body
B
C
Limit Switch and Hook Positions
POSITION
INSIDE LIGHT
OUTSIDE LIGHT
CONTROL BOX HORN
HOOK
LS1
LS2
1 Stored
Closed / Depressed
Open / Released
Red
Green
Off
2 No Hook (Lower)
Closed / Depressed
Closed / Depressed
Red
Red
On
3 Hooked (90°)
Open / Released
Closed / Depressed
Green
Red
Off
4 No Hook (Upper)
Closed / Depressed
Closed / Depressed
Red
Red
On
1 Set multimeter to “RX1” scale for “Continuity Test”
2 Attach multimeter leads to pins (B) and (C) wires of
switch connector:
Green (ground) wire of limit switch does not have to be
tested A continuity test lamp may be used instead of a
multimeter
Vehicle Restraint Motor
multimeter
44
(pin)
43
(pin)
45 (pin)
GRD.
(plug)
Multimeter
44
Pin
Ground
Plug
43
Pin
45
Pin
BadO/L:
Little or infinite ohm reading (no needle movement)
between pins 43 and 44, 43 and 45 Set multimeter to
ohms
Standard readings:
Between pins 44 and 45 = 11 ohms
Between pins 44 or 45 and 43 = 55 ohms
Open Winding:
Infinite ohms (no needle movement) between pins 44
and 45 Check between pins 44 and 43 or 45 and 43 to
determine which winding is open
Mechanical Binding:
Motor hums Motor leads show continuity between all
windings Shaft does not move Reads 65 amps at pin 43
on both rotations
Figure 15
Figure 16
