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It is essential that the operating instructions
are read before the tool is operated for the
first time.
Always keep these operating instructions
together with the tool.
Ensure that the operating instructions
are with the tool when it is given to other
persons.
WSJ 750-ET / WSJ 750-EB / WSJ 850-ET / WSJ 850-EB
orbital action jig saw and WSJ-DRS dust removal system
1. General information
1.1 Signal words and their meaning
-CAUTION-
Used to draw attention to a potentially dangerous situa-
tion which could lead to minor personal injury or dam-
age to the equipment or other property.
-NOTE-
Used to draw attention to an instruction or other useful
information.
1.2 Pictograms
Contents Page
1. General information 13
2. Description 14
3. Tools and accessories 14
4. Technical data 15
5. Safety precautions 16
6. Before use 18
7. Operation 19
8. Care and maintenance 20
9. Troubleshooting 21
10. Disposal 22
11. Warranty 22
12. EC declaration of conformity 23
Operating controls and parts Ẅ
ቢ On / off switch
ባ Lockbutton (only WSJ 750-ET and WSJ 850-ET)
ቤ Ventilation slots
ብ Stroke rate adjustment thumbwheel
ቦ Dust removal system connector
ቧ Baseplate
ቨ Orbital action adjustment lever
ቩ Baseplate locking screw
ቪ Guide roller
ቫ Saw blade (insert tools)
ቭ Guard
ቮ Blade holder
ቯ Saw blade release lever
ተ Dust removal hood
ቱ Low-friction baseplate cover
ቲ Anti-splinter insert
Ẅ These numbers refer to the corresponding illustra-
tions. The illustrations can be found on the fold-out cover
pages. Keep these pages open while studying the oper-
ating instructions.
In these operating instructions, the WSJ 750-ET / WSJ
750-EB / WSJ 850-ET / WSJ 850-EB orbital action jig
saw is referred to as “the tool”.
Location of identification data on the tool
The type designation and serial number can be found on
the rating plate on the tool. Make a note of this data in
your operating instructions and always refer to it when
making an enquiry to your Hilti representative or service
department.
Type:
Serial no.:
Warning signs
Obligation signs
Wear
ear
protection
Wear
protective
gloves
Wear
breathing
protection
Wear
eye
protection
Read the
operating
instructions
before use.
Symbols
General
warning
Warning:
electricity
Warning:
hot surface