29
T
ROUBLESHOOTING
O
PERATIONS
WHAT HAPPENS
WHERE
CHECK
The lift does not rise and
the motor does not start
a. FUSES
b. THERMAL RELAY
c. TRANSFORMER
d. MOTOR
e. MAIN CONTACTOR
f. PHOTOCELL
a.1. line fuse blown.
a.2. 24-volt fuse blown.
b.1. thermal relay tripped, reset.
c.1. transformer failure, does not emit 24 volt.
d.1. motor failure.
e.1. contactor C1 failure
f.1. photocell fault.
f.2. photocells out of reading range
The lift does not rise and
the motor starts.
a. HYDRAULIC
PUMP
b. LOWERING
VALVE
c. LIMIT
VALVE
d. MOTOR
a.1. o-ring seal broken.
a.2. key broken.
a.3. pickup tube broken.
a.4. clamping screws loose.
a.5. oil leakage.
a.6. check the pressure value
b.1. lowering valve stuck open.
c.1.limit valve broken.
d.1. Check that the motor turns in the direction shown by the arrow.
The lift does not lower
and the pressure is
normal.
a. PHOTOCELLS
b. TRANSFORMER
c. PARACHUTE
VALVE
d. ELECTRIC
VALVE
e. MECHANICAL
SAFETY
DEVICES
f. LOCK
RELEASE
VALVE
a.1. photocell fault.
a.2. photocells out of reading range
b.1. transformer failure, does not emit 24 volt.
c.1. check the parachute valves on the bottom of the dual effect cylinders.
d.1. lowering valve blocked.
d.2. lowering valve coil failure.
e.1. mechanical safety devices mechanically blocked.
f.1. air blocked (does not open the mechanical safety devices).
f.2. valve requires power.
Summary of Contents for SX14
Page 4: ...4 LIFT BASE LAYOUT Fig 2 Base Layout PIT LAYOUT Fig 3 Pit Details...
Page 9: ...9...
Page 10: ...10 CONTROL UNIT 34 5 16 3 17 4 2 28 14 12 27 26 26 29 31 30 35...
Page 11: ...11 LABEL 2 LABEL 2A LABEL 3 LABEL 3A LABEL 4 LABEL 4A LABEL 5 LABEL 5A...
Page 12: ...12 LABEL 12 LABEL 14 LABEL 14A LABEL 16 LABEL 17...
Page 13: ...13 LABEL 22 LABEL 23 LABEL 25 LABEL 26 LABEL 27 LABEL 28 CHALLENGER SERIAL TAG LABEL 29...
Page 14: ...14 LABEL 30 LABEL 31 LABEL 34 LABEL 35 LABEL 35A...
Page 22: ...22 AIR SWITCH BASE SETTING...
Page 26: ...26 LUBRICATION POINTS repeat symmetrically on both sides of the lift...
Page 30: ...30 Fig 13 Electrical Wiring Diagram Console Lid Switches...
Page 31: ...31 Fig 13 Electrical Wiring Diagram Continued...
Page 32: ...32 Fig 14 Hydraulic Diagram...
Page 33: ...33 Fig 15 Pneumatic Diagram...
Page 34: ...34 PARTS BREAKDOWN 11 16 10 12 10 9 7 8 6 5 2 1 4 3 13 12 15 14...
Page 36: ...36 7 12 14 5 3 4 16 6 10 9 11 15 8 17 17 13 18 2 19 20 21 1 350 BAR 110 BAR...
Page 38: ...38 1 4 5 9 11 12 18 15 13 20 23 22 21 24 6 2 14 25 16 26 3 8 3 7 10...
Page 40: ...40 26 42 24 44 43 47 48 49 50 25 42 43 27 28 30 31 32 29...
Page 42: ...42...
Page 44: ...44 29 48 47 21...
