Tool Maintenance; Cleaning The Welding Unit; Opening The Box; Using Extension Cables On The Worksite - Hürner HST 300 Easy Manuel De L'utilisateur

2.4

Tool Maintenance

Keep your tools clean to ensure proper and safe work. Respect the in-
dications and instructions about their maintenance.
Check adapters, connectors, and cables regularly and have them replaced
by an authorized specialized service shop if they are damaged. Keep the
cable connectors free of oil, grease, and dirt.
2.5

Cleaning the Welding Unit

The HST 300 Easy must not be sprayed with or immersed in water.
2.6

Opening the Box

CAUTION!
The welding device may be opened only by specialized staff of Hürner
Schweisstechnik or staff of a service shop who were trained and autho-
rized by us.
2.7

Using Extension Cables on the Worksite

Only the use of properly approved extension cables that are labeled as
such and have the following conductor sections, is allowed:
up to 20 m: 1,5 mm² (2,5 mm² recommended);
over 20 m: 2,5 mm² (4,0 mm² recommended);
CAUTION! When using the extension cable, it must always be rolled off
completely and lie fully extended.
2.8

Checking the Welding Unit for Damage

Each time before operating the welding unit, check safety features or
possibly existing parts with minor damage for proper function. Make sure
that the cable connectors work properly, that contact is fully established,
and that the contact surfaces are clean. All parts have to be installed
correctly and have to properly conform to all conditions for the unit to
work as intended. Damaged safety features or functional parts should be
properly repaired or replaced by an authorized service shop.
2.9

General Remark

For your own safety, use only accessories and complementary devices
that are approved by the manufacturer and quoted in the User's Manual.
Using work tools or accessories that are not quoted in the User's Manual
may put yourself in danger of bodily injury or cause the device to mal-
function.

2.10 Power Supply Specs

2.10.1 Mains Power Supply

EVU wiring regulations, VDE provisions, regulations for prevention of acci-
dents, DIN / EN regulations, and national codes have to be respected.
CAUTION!
When using power line manifolds on the worksite, comply with regulations
for earth-leakage circuit-breakers (FI).
Generator or mains power fuse protection should be max. 16 A (slow).
The HST 300 Easy has to be protected from rain and humidity.

2.10.2 Generator Power Supply

The required nominal generator capacity, as determined by the rating
of the largest fitting to be welded, depends on the power supply condi-
6
EN
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Type H07RN-F
Type H07RN-F
HST 300 Easy / Easy D User's Manual
H Ü R N E R S c h w e i s s t e c h n i k G m b H
Nieder-Ohmener Str.
35325 Mücke, Germany
Version November 2010