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RJ12
2 RJ12_v1_EN_220223
Table of Contents
1 Introduction . . . . . . . . . . . . . . . . . 3
1 .1 Important user information . . . . . . . . . . 3
1 .2 About this manual . . . . . . . . . . . . . . . 3
1 .3 Intended use . . . . . . . . . . . . . . . . . 3
1 .4 Regulatory information . . . . . . . . . . . . 3
1 .5 Nameplate . . . . . . . . . . . . . . . . . . 4
1 .6 Recycling information . . . . . . . . . . . . . 4
2 Safety . . . . . . . . . . . . . . . . . . . . 5
2 .1 Safety notices . . . . . . . . . . . . . . . . . 5
2 .2 Safety instructions . . . . . . . . . . . . . . 5
2 .2 .1 Work area safety . . . . . . . . . . . . 5
2 .2 .2 Electrical safety . . . . . . . . . . . . 5
2 .2 .3 Personal safety . . . . . . . . . . . . 6
2 .2 .4 Power tool use and care . . . . . . . . 6
2 .2 .5 Service . . . . . . . . . . . . . . . . . 7
2 .3 Signs and symbols . . . . . . . . . . . . . . 7
3 Product Description . . . . . . . . . . . . . 9
3 .1 Product overview . . . . . . . . . . . . . . . 9
3 .2 Front view . . . . . . . . . . . . . . . . . . . 9
3 .3 Back view . . . . . . . . . . . . . . . . . . 10
3 .4 Grinding head . . . . . . . . . . . . . . . 11
3 .5 Controls . . . . . . . . . . . . . . . . . . . 12
3 .6 Chain overview . . . . . . . . . . . . . . . 13
3 .7 Technical data . . . . . . . . . . . . . . . . 13
4 Installation . . . . . . . . . . . . . . . . . 14
4 .1 Safety during installation . . . . . . . . . . 14
4 .2 Site requirements . . . . . . . . . . . . . . 14
4 .3 Unpack the machine . . . . . . . . . . . . 14
4 .4 Bench-mount the machine . . . . . . . . . 15
4 .5 Install and center the grinding wheel . . . . 15
4 .6 Test the machine before first use . . . . . . 16
5 Operation . . . . . . . . . . . . . . . . . . 17
5 .1 Safety during operation . . . . . . . . . . . 17
5 .2 Prepare for operation . . . . . . . . . . . . 17
5 .2 .1 Prepare the grinding wheel . . . . . 17
5 .2 .2 Set the head-tilt angle . . . . . . . . 18
5 .2 .3 Set the top-plate angle . . . . . . . . 18
5 .2 .4 Insert the chain . . . . . . . . . . . 19
5 .2 .5 Set the chain pusher . . . . . . . . . 19
5 .2 .6 Set the grinding depth . . . . . . . . 20
© 2022 Markusson Professional Grinders AB - All rights reserved .
5 .2 .7 Set the cutter top plate to
equal lengths . . . . . . . . . . . . 21
5 .2 .8 Center the grinding disc . . . . . . . 21
5 .2 .9 Set the grinding length . . . . . . . . 21
5 .2 .10 Test the grinding settings . . . . . . 22
5 .3 Operate the machine . . . . . . . . . . . . 22
5 .4 Depth gauge grinding . . . . . . . . . . . . 24
6 Maintenance and Service . . . . . . . . . . 26
6 .1 Safety during maintenance . . . . . . . . . 26
6 .2 Frequency of maintenance . . . . . . . . . 26
6 .3 Change the grinding wheel
and fit the grinding wheel guard . . . . . . 27
6 .4 Fasten the chain lock . . . . . . . . . . . . 27
6 .5 Check and adjust the wire . . . . . . . . . 28
6 .6 Service . . . . . . . . . . . . . . . . . . . 29
7 Troubleshooting . . . . . . . . . . . . . . . 30
7 .1 Troubleshooting procedure . . . . . . . . . 30
7 .2 Sharpening test . . . . . . . . . . . . . . . 30
7 .3 Issues . . . . . . . . . . . . . . . . . . . . 31
8 Accessories and Spare Parts . . . . . . . . 32
8 .1 Ordering information . . . . . . . . . . . . 32
8 .2 List of accessories . . . . . . . . . . . . . . 32