Crane No./Location:

Date of Inspection:

Magnet Size:

Checker's Name:

Magnet Serial No.:

Magnet Resistance:

MAGNET

Leads:

• Lead Shield Tight

• Lead in Good Condition

• Terminals in Good Condition; Clean & Tight

Chain & Chain Pins:

• Inspect for Wear

• Check Pin Retainers

Case:

• Check for Cracks

• Check for Min. 25mm or 1" Wear Depth

Center Pole:

• Check Center Pole Bolts for Tightness

• Check for Min. 25mm or 1" Shoe Wearing Surface

• Check for Cracks

Coil:

• Resistance 100% Cold to 170% Hot

• Ground Resistance 200k Ohms Min. (hot)

CONTROLLER

Condition:

• Contact Tips

• Arc Shields

• Coils

• Pivot Pins

Resistors:

• Open

• Burned

Connections:

• Tight

Dirt:

• Remove from Panel

Cover:

• Replace

Ground Resistance:

• Input Terminals

• Magnet Terminals

Voltage:

• No Load

• Full Load

GENERATOR

Brushes:

• Wear

• Tension

• Arcing

Commutator:

• Wear

• High Bars

Bearings:

• Check for noise

Access Covers:

• Replace

Belts (PTO):

• Wear

• Tension

Rheostat:

• Check for Wear or Damage

• Adjust to Develop 220-240 V Full Load

CABLE

Wire Size:

• Adequate

Condition:

• Tape or Splice Worn or Frayed Portions

Free Reeling:

• Free of Knots and Tangles

Cable Reels:

• Lubricate Bearings

• Grease Gears

• Oil Springs

• Proper Tension

• Brush & Ring Wear

• Brush Holder Insulation

• Slip Ring Insulation

• Replace Cover