HT 12 Unimog 1.96 29
Table of contents
1 Introduction ................................................................................................................ 1
1.1 General ............................................................................................................................... 1
1.2 Proper use ......................................................................................................................... 2
1.3 Warranty and Maintenance ................................................................................................ 2
1.4 Delivery and handing-over instructions ............................................................................... 3
1.5 Notes on using the instruction book ................................................................................... 3
2 Accident prevention ................................................................................................... 4
3 Technical data ............................................................................................................ 6
3.1 Working diagram................................................................................................................. 6
3.2 Dimensions and weights without mounting group .............................................................. 7
3.3 Hydraulic system - Technical data ...................................................................................... 7
3.4 Lubricant specifications ...................................................................................................... 8
3.5 Work attachments ............................................................................................................... 8
3.6 Other equipment ................................................................................................................. 9
4 Mounting and dismounting instructions ................................................................ 10
4.1 Mounting ........................................................................................................................... 10
4.2 Dismounting ..................................................................................................................... 10
5 Operation .................................................................................................................. 11
5.1 Operator controls .............................................................................................................. 11
5.2 Making the backhoe excavator ready for operation .......................................................... 12
5.3 Excavator operation .......................................................................................................... 13
5.3.1 General ..................................................................................................................... 13
5.3.2 Actuation of work equipment ..................................................................................... 13
5.3.3 Actuation of stabilisers .............................................................................................. 13
5.4 Lateral adjustment of the work equipment ........................................................................ 14
5.4.1 General ..................................................................................................................... 14
5.4.2 Loosening and positioning the slide .......................................................................... 14
5.4.3 Clamping the slide .................................................................................................... 14
5.5 Crane operations .............................................................................................................. 15
5.5.1 General ..................................................................................................................... 15
5.5.2 Safety devices ........................................................................................................... 15
5.5.3 Attachment of loads .................................................................................................. 15
5.5.4 Attachment and carrying of loads ............................................................................. 15
5.5.5 Carrying capacities ................................................................................................... 16
5.6 Changing work attachments ............................................................................................. 17
5.6.1 General ..................................................................................................................... 17
5.6.2 Assembly of work attachments ................................................................................ 17
6 Transport position when driving on public roads ................................................. 18
6.1 Backhoe tilting for transport .............................................................................................. 18
6.2 Changing the backhoe from transport position to working position .................................. 18
7 Care and maintenance ............................................................................................. 20
7.1 General notes ................................................................................................................... 20
7.2 Inspection parts and aids .................................................................................................. 21
7.3 Care and cleaning ............................................................................................................ 22
7.4 Daily and weekly tasks ..................................................................................................... 23
7.5 Overview of lubricating points ........................................................................................... 24
7.6 Inspection plan ................................................................................................................ 25
7.7 Hydraulic oil ...................................................................................................................... 26
7.8 Hydraulic oil return filter .................................................................................................... 27
7.9 Ventilation filter of hydraulic oil tank ................................................................................. 27