Hypertherm HT4400 User Manual

OPERATION
4-24 HT4400 Instruction Manual
2
Inspect Consumables
Part Check For Limit Action
Cap
Nozzle
Swirl Ring
Electrode
Center surface Wear
O-rings 1. Damage None Replace electrode*
2. Lubricant Not dry Apply a thin coat of
silicon lubricant
*NOTE: Always replace the nozzle and electrode as a set.
Damage None Replace swirl ring
Dirt or debris Clean and no damage Replace swirl ring
Gas holes Blocked holes None Replace swirl ring
O-rings 1. Damage None Replace swirl ring
2. Lubricant Not dry Apply a thin coat of
silicon lubricant
Center hole 1. Round Hole must be round Replace nozzle*
2. Signs of arcing
O-rings 1. Damage None Replace nozzle*
2. Lubricant Not dry Apply a thin coat of
silicon lubricant
Wear or missing material None Replace nozzle*
Blocked gas holes None Replace nozzle*
Erosion, missing material None Replace cap
Cracks None Replace cap
Burned None Replace cap
See Inspect Electrode Pit Depth later
in this section

Hypertherm HT4400 Specifications

General

Brand	Hypertherm
Model	HT4400
Category	Cutter
Language	English