This restriction does not extend to possible operating instructions. The use of Viega products must be carried out in accordance with the general rules of engineering and the Viega instructions for use.
Note on use of abbreviated terms For reading comfort, the following abbreviated terms are used in these instructions for use: Term Abbreviated form Viega system press machine, Press machine such as Pressgun 6 Plus Viega Pressgun Press Booster Press Booster Pressgun Press Booster PT2...
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About these instructions for use Term Abbreviated form Viega Megapress XL press con‐ Press connectors nector Viega system press jaws Press jaws Viega system press rings Press rings Viega system press tool Press tool Combinations of for example: Press machine and press jaws...
Areas of use The Press Booster increases pressing force. In combination with a Viega Pressgun 6 Plus (or comparable system press machines, see below) and the corresponding Viega Megapress XL system press rings, the Press Booster becomes a complete system press tool. The system press tool enables Megapress XL connectors to be pressed in sizes of 4 inches or 114.3 mm.
Product information NOTICE! In order to avoid confusing Viega press rings with other Viega press systems, both the hinged adapter jaws of the Press Booster and the Megapress XL press rings are marked with "Z3". Product description 2.3.1 Overview Fig. 1: Overview...
2.7 kg (73 mm, US pipe standard) Weight press ring 2½ inches/ approx. 2.7 kg 76.1 mm Weight press ring 3 inches/ approx. 3.2 kg 88.9 mm Weight press ring 4 inches/ approx. 4.5 kg 114.3 mm Pressgun Press Booster PT2...
< 2.5 m/s 2.3.3 Operating mode Combined with a Viega system press machine, the Press Booster acts as a press capacity booster. As a rule, the Press Booster needs two pressings of the driving press machine to execute a complete pressing for Megapress XL press con‐...
Slide the retaining bolt of the press machine in as far as it will go. Using the shoulder strap The shoulder strap simplifies working at heights, when you need to lay down the press tool repeatedly to carry out other steps (such as placing or shifting the press ring). Pressgun Press Booster PT2...
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The following pictures show the exact position for fastening the securing strap for each suitable press machine type: Fig. 2: Position of the securing strap at Viega press machines Viega PT2 Viega PT3-H / Viega PT3-EH...
Using a defectively, incorrectly dimensioned, or worn press ring may result in incorrect pressing. Check the press rings before use for any visible defect. Only use press rings that are free of defects and of the appropriate size. Pressgun Press Booster PT2...
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The dimensions of the press connector match the dimensions of the press ring. ▶ Open the press ring and place it around the respective pressing point of the press connector. ▶ Pull the handle at the hinged adapter jaw back. ▷ The hinged adapter jaw opens. Pressgun Press Booster PT2...
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Press Booster does not open automatically, carry out another press stroke. Failure of the Press Booster to open automatically may be a sign that maintenance is due, see Ä Chapter 3.6 ‘Care and maintenance’ on page 17. Pressgun Press Booster PT2...
Aborted pressings of Megapress XL press connectors can be resumed and completed later. This should only be done in exceptional cases and is applicable in cases where the pressing was interrupted between the first and second pressing, and the press ring was loosened manually. Pressgun Press Booster PT2...
17. 
Observe the instruc‐ tions for cleaning the press machine. The press machine Use a different press machine, see is incompatible or Ä ‘Suitable system press machines:’ defective. on page 6. If the fault persists, contact your service partner. Pressgun Press Booster PT2...
The Press Booster fails to switch off after Contact the Viega Technical Consultants. the 3rd press stroke.
 After manual reset, you cannot loosen it from the press ring. Care and maintenance 3.6.1...
Disposal Do not dispose of press tools in the household rubbish and do not scrap them. For environmentally compatible disposal, send the Press Booster to your local service partner or pass it to a recycling company. Pressgun Press Booster PT2...