Case CX70E, CX75E Mini Excavator Pdf Operators Manual

Case CX70E, CX75E Mini Excavator Pdf Operators Manual

This manual provides essential guidance for operators and maintenance personnel to ensure safe, efficient, and reliable machine performance.

1 – INTRODUCTION………………………………………………………………………… 1-1
1.1 – Regarding this manual……………………………………………………………………………. 1-1
1.1.1 – Manual consultation and terminology……………………………………………………………. 1-3
1.2 – Machine identification data………………………………………………………………………. 1-7
1.3 – Manufacturer……………………………………………………………………………………… 1-11
1.3.1 – Contact the after-sales network…………………………………………………………………. 1-11
1.3.2 – Spare Parts…………………………………………………………………………………………… 1-12
1.4 – Information to the owner of the machine………………………………………………….. 1-13
1.5 – Intended use……………………………………………………………………………………… 1-14
1.6 – Prohibited use…………………………………………………………………………………….. 1-15
1.7 – Emissions overview………………………………………………………………………………. 1-17
2 – SAFETY…………………………………………………………………………………….. 2-1
2.1 – Safety symbol……………………………………………………………………………………….2-1
2.2 – General safety……………………………………………………………………………………….2-1
2.2.1 – Consulting the safety signs in the manual………………………………………………………. 2-3
2.3 – Safety signs and operation related labels…………………………………………………….. 2-5
2.4 – Machine driver……………………………………………………………………………………. 2-19
2.4.1 – Personal Protective Equipment (PPE)………………………………………………………….. 2-21
2.5 – Work Area – Hazard Zone – No Entry Zone…………………………………………………. 2-22
2.6 – List of Residual Risks……………………………………………………………………………. 2-24
2.7 – Safety procedures………………………………………………………………………………… 2-33
2.8 – Safety devices…………………………………………………………………………………….. 2-50
2.8.1 – Operator protective structure……………………………………………………………………. 2-50
2.8.1.1 – TOP-GUARD Level II protective grid…………………………………………………………. 2-51
2.8.1.2 – FRONT-GUARD Level II protective grid (optional)………………………………………… 2-51
2.8.2 – Seat belt………………………………………………………………………………………………. 2-52
2.8.3 – Control cut-out lever……………………………………………………………………………….. 2-53
2.8.4 – Location of fire extinguisher……………………………………………………………………… 2-54
3 – TECHNICAL DATA………………………………………………………………………. 3-1
3.1 – General data………………………………………………………………………………………… 3-1
3.2 – Engine………………………………………………………………………………………………… 3-2
3.3 – Hydraulic system…………………………………………………………………………………… 3-3
3.4 – Performances……………………………………………………………………………………….. 3-4
3.5 – Digging arm………………………………………………………………………………………….3-4
3.6 – Counterweight……………………………………………………………………………………… 3-5
3.7 – Dozer blade…………………………………………………………………………………………. 3-6
3.8 – Undercarriage………………………………………………………………………………………. 3-6
3.9 – Fluid capacities……………………………………………………………………………………… 3-7
3.10 – Electrical system…………………………………………………………………………………..3-7
3.11 – Brakes……………………………………………………………………………………………….3-8
3.12 – Nominal lifting capacity…………………………………………………………………………. 3-9
3.13 – Rotary structure………………………………………………………………………………… 3-28
3.14 – Overall dimensions…………………………………………………………………………….. 3-28

4 – TRANSPORTING THE MACHINE…………………………………………………… 4-1
4.1 – Shipping dimensions………………………………………………………………………………. 4-1
4.2 – Loading/unloading operations…………………………………………………………………… 4-1
4.3 – Securing the machine on the means of transport………………………………………….. 4-4
4.4 – Lifting the machine…………………………………………………………………………………4-8
4.4.1 – Lifting procedure……………………………………………………………………………………… 4-9
4.5 – Recovering and towing the machine………………………………………………………… 4-12
5 – CONTROLS AND TOOLS………………………………………………………………. 5-1
5.1 – Description of main controls and levers……………………………………………………….5-1
5.2 – Description of left control console………………………………………………………………5-2
5.3 – Description of right control console……………………………………………………………. 5-3
5.4 – Roller operation…………………………………………………………………………………….. 5-4
5.5 – Optional electrical buttons on the joystick…………………………………………………… 5-4
5.6 – Auxiliary power socket on console…………………………………………………………….. 5-4
5.6.1 – USB power socket on console……………………………………………………………………… 5-5
5.7 – Flashing light (optional)…………………………………………………………………………..5-6
5.7.1 – Key-Pad…………………………………………………………………………………………………. 5-7
5.8 – Control panel……………………………………………………………………………………….. 5-8
5.9 – Display……………………………………………………………………………………………… 5-15
5.9.1 – Navigation console display and optional controls……………………………………………. 5-15
5.10 – Secondary hour meter………………………………………………………………………… 5-16
5.11 – Battery isolator switch…………………………………………………………………………. 5-16
5.12 – Electric immobiliser (optional)……………………………………………………………….. 5-16
5.13 – Hydraulic Fan Drive cooling system………………………………………………………… 5-17
5.14 – Electric fuel supply pump (optional)……………………………………………………….. 5-17
5.15 – Geo-localisation system (optional)…………………………………………………………. 5-18
6 – USING THE MACHINE………………………………………………………………… 6-1
6.1 – Commissioning………………………………………………………………………………………6-1
6.2 – Battery disconnect switch………………………………………………………………………… 6-3
6.3 – Driver seat…………………………………………………………………………………………… 6-4
6.4 – Pneumatic driver’s seat (optional)……………………………………………………………. 6-10
6.5 – Seat belt……………………………………………………………………………………………. 6-16
6.6 – Controls cut-out lever…………………………………………………………………………… 6-16
6.7 – Driving Cab………………………………………………………………………………………… 6-16
6.7.1 – Entering and leaving the driving cab…………………………………………………………… 6-17
6.7.2 – Courtesy light………………………………………………………………………………………… 6-19
6.7.3 – USB socket inside the cab………………………………………………………………………… 6-19
6.7.4 – Auxiliary socket outside the cab…………………………………………………………………. 6-20
6.7.5 – Windshield wiper……………………………………………………………………………………. 6-20
6.7.6 – Water container for windshield wiper………………………………………………………….. 6-21
6.7.7 – Opening the windshield……………………………………………………………………………. 6-21
6.7.8 – Opening the lower front glass……………………………………………………………………. 6-23
6.7.9 – Opening the right side window………………………………………………………………….. 6-24
6.7.10 – Opening the front protection grid……………………………………………………………… 6-24
6.7.11 – Hammer for emergency exit……………………………………………………………………. 6-25

6.7.12 – Sun shade…………………………………………………………………………………………… 6-26
6.7.13 – Cab ventilation system…………………………………………………………………………… 6-26
6.8 – Control panel operation…………………………………………………………………………. 6-29
6.8.1 – Dashboard to scroll through the menu on the display……………………………………… 6-30
6.8.2 – Home page…………………………………………………………………………………………… 6-32
6.8.2.1 – Time…………………………………………………………………………………………………. 6-33
6.8.2.2 – Electronic pump management………………………………………………………………… 6-33
6.8.2.3 – DPF filter management…………………………………………………………………………. 6-36
6.8.2.4 – Area dedicated to rear camera and messaging……………………………………………. 6-37
6.8.2.5 – Engine speed……………………………………………………………………………………… 6-39
6.8.2.6 – Machine hours and maintenance……………………………………………………………… 6-39
6.8.2.7 – Cab ventilation function…………………………………………………………………………. 6-40
6.8.3 – CAB VENTILATION page………………………………………………………………………….. 6-41
6.8.4 – MENU screen………………………………………………………………………………………… 6-44
6.8.5 – DISPLAY page……………………………………………………………………………………….. 6-45
6.8.5.1 – DISPLAY DATA submenu……………………………………………………………………….. 6-46
6.8.5.2 – REAR CAMERA submenu (if provided)………………………………………………………. 6-48
6.8.5.3 – QUICK ACCESS KEY F3 submenu…………………………………………………………….. 6-49
6.8.5.4 – LANGUAGE sub-menu…………………………………………………………………………… 6-50
6.8.5.5 – BRIGHTNESS submenu…………………………………………………………………………. 6-50
6.8.5.6 – DATE AND TIME submenu……………………………………………………………………… 6-51
6.8.5.7 – SOFTWARE submenu……………………………………………………………………………. 6-51
6.8.5.8 – UNITS OF MEASUREMENT sub-menu……………………………………………………….. 6-52
6.8.6 – EQUIPMENT screen………………………………………………………………………………… 6-52
6.8.6.1 – EQUIPMENT SELECTION submenu…………………………………………………………… 6-53
6.8.6.2 – EQUIPMENT RANGE SET-UP submenu………………………………………………………. 6-54
6.8.6.3 – EQUIPMENT SENSITIVITY SET-UP submenu………………………………………………. 6-55
6.8.6.4 – ELECTRO-PROPORTIONAL CONTROL/EQUIPMENT RESET submenu………………… 6-56
6.8.7 – SETTINGS screen…………………………………………………………………………………… 6-57
6.8.7.1 – GENERAL submenu………………………………………………………………………………. 6-58
6.8.7.2 – ELECTRO-PROPORTIONAL CONTROLS SET-UP submenu………………………………. 6-62
6.8.8 – FAN DRIVE submenu………………………………………………………………………………. 6-64
6.8.9 – REXROTH SETTINGS screen……………………………………………………………………… 6-68
6.8.9.1 – MULCHER SYSTEM sub-menu (optional)……………………………………………………. 6-70
6.8.10 – SERVICE screen……………………………………………………………………………………. 6-71
6.8.11 – AIR CONDITIONING page………………………………………………………………………. 6-71
6.9 – Visibility…………………………………………………………………………………………….. 6-72
6.9.1 – Travel position……………………………………………………………………………………….. 6-72
6.9.2 – Adjustment of rear-view mirrors and rear camera………………………………………….. 6-75
6.10 – Starting the engine…………………………………………………………………………….. 6-78
6.10.1 – Checks prior to the start up…………………………………………………………………….. 6-78
6.10.2 – Procedure for starting the machine…………………………………………………………… 6-80
6.11 – Start-up procedure with electric immobiliser (optional)……………………………….. 6-88
6.12 – Electric fuel supply pump…………………………………………………………………….. 6-89
6.13 – Engine jump-starting procedure…………………………………………………………….. 6-92
6.13.1 – Connecting the additional cables………………………………………………………………. 6-94
6.13.2 – Starting the engine……………………………………………………………………………….. 6-94
6.13.3 – Removing the additional cables………………………………………………………………… 6-95
6.14 – Horn……………………………………………………………………………………………….. 6-96

6.15 – Work lights……………………………………………………………………………………….. 6-96
6.16 – Operation at low temperatures or during winter………………………………………… 6-97
6.17 – Precautions during operation………………………………………………………………… 6-98
6.18 – Stopping and parking the machine……………………………………………………….. 6-101
6.19 – Refuelling……………………………………………………………………………………….. 6-103
6.19.1 – Refuelling with the electric pump……………………………………………………………. 6-103
6.20 – Accelerator hand grip………………………………………………………………………… 6-104
6.20.1 – Minimum automatic…………………………………………………………………………….. 6-105
6.21 – Machine movement………………………………………………………………………….. 6-107
6.21.1 – Forward and reverse travel……………………………………………………………………. 6-109
6.21.2 – Pivoting the machine around its axis……………………………………………………….. 6-110
6.21.3 – Turning while moving forward……………………………………………………………….. 6-111
6.21.4 – Turning while reversing………………………………………………………………………… 6-112
6.21.5 – Precautions during the operation of the tracks…………………………………………… 6-113
6.22 – Travel speed……………………………………………………………………………………. 6-115
6.23 – Dozer blade control………………………………………………………………………….. 6-116
6.24 – Dozer blade floating command (optional)………………………………………………. 6-117
6.25 – Boom movement……………………………………………………………………………… 6-118
6.25.1 – Left joystick………………………………………………………………………………………. 6-119
6.25.2 – Right joystick…………………………………………………………………………………….. 6-120
6.25.3 – TPSS Valve ISO-SAE (optional) control layout …………………………………………… 6-121
6.26 – Boom swing control………………………………………………………………………….. 6-123
6.27 – Triple positioner control (CX75D)…………………………………………………………. 6-125
6.28 – Discharge residual pressure in the hydraulic system…………………………………. 6-127
6.29 – Auxiliary hydraulic systems…………………………………………………………………. 6-128
6.29.1 – Connection of equipment to the hydraulic systems……………………………………… 6-130
6.29.2 – Operation of the taps on the second boom……………………………………………….. 6-132
6.29.3 – AUX1 Auxiliary hydraulic system…………………………………………………………….. 6-133
6.29.3.1 – AUX1 hydraulic system three-way switch……………………………………………….. 6-134
6.29.3.2 – Single-acting mode AUX1…………………………………………………………………… 6-136
6.29.3.3 – Double-acting mode AUX1………………………………………………………………….. 6-137
6.29.3.4 – Mechanical adjustment of maximum AUX1 system flow rate (58ZT only)……….. 6-138
6.29.3.5 – Mulcher mode with additional AUX1 system pump (optional)……………………… 6-140
6.29.4 – “D” button to reverse AUX2/AUX3 controls……………………………………………….. 6-142
6.29.5 – Auxiliary hydraulic system AUX2…………………………………………………………….. 6-143
6.29.6 – Auxiliary hydraulic system AUX3 (optional)……………………………………………….. 6-145
6.29.7 – Mechanical AUX3 auxiliary hydraulic system (optional)………………………………… 6-147
6.29.8 – Drainage line (direct to tank)…………………………………………………………………. 6-148
6.30 – Emergency lifting-boom lowering procedure…………………………………………… 6-149
6.31 – Using the DPF Diesel Particulate Filter and Regeneration…………………………… 6-150
6.31.1 – Regeneration……………………………………………………………………………………… 6-151
6.31.2 – Message/Alarm on the display for DPF…………………………………………………….. 6-152
6.31.3 – DPF clogging level………………………………………………………………………………. 6-154
6.31.4 – STATIONARY Regeneration……………………………………………………………………. 6-162
6.31.5 – Ash level…………………………………………………………………………………………… 6-164
6.32 – Procedure for installing and removing the supplementary counterweight………. 6-164
6.32.1 – Supplementary counterweight……………………………………………………………….. 6-164
6.33 – Daily storage…………………………………………………………………………………… 6-166

7 – RECOMMENDED OPTIONAL EQUIPMENT……………………………………… 7-1
7.1 – Safety precautions…………………………………………………………………………………. 7-2
7.1.1 – Specifications on authorised equipment…………………………………………………………. 7-4
7.2 – Equipment with standard coupling (pins)……………………………………………………..7-6
7.2.1 – Installation and removal…………………………………………………………………………….. 7-7
7.3 – Quick-coupling………………………………………………………………………………………. 7-8
7.3.1 – Set-up for hydraulic quick-coupling………………………………………………………………. 7-9
7.3.1.1 – Semi-automatic single-acting hydraulic quick-coupling set-up…………………………. 7-10
7.3.1.2 – Double-acting hydraulic quick coupling attachment set-up…………………………….. 7-11
7.3.1.3 – Single-acting valve maximum pressure adjustment………………………………………. 7-13
7.3.1.4 – Single adjustment double-acting valve maximum pressure adjustment…………….. 7-14
7.3.1.5 – Double adjustment double-acting valve maximum pressure adjustment……………. 7-15
7.3.2 – Hydraulic quick-coupling attachment…………………………………………………………… 7-17
7.3.2.1 – Semi-automatic single-acting hydraulic quick-coupling………………………………….. 7-18
7.3.2.2 – Double-acting hydraulic quick-coupling attachment………………………………………. 7-21
7.4 – Demolition hammer……………………………………………………………………………… 7-25
7.4.1 – Installation and removal…………………………………………………………………………… 7-25
7.4.2 – Precautions for use…………………………………………………………………………………. 7-25
7.4.3 – Operation……………………………………………………………………………………………… 7-28
7.5 – Mulcher…………………………………………………………………………………………….. 7-29
7.5.1 – Installation and removal…………………………………………………………………………… 7-30
7.6 – Material handling grapple………………………………………………………………………. 7-30
7.6.1 – Installation and removal…………………………………………………………………………… 7-31
7.6.2 – Operation……………………………………………………………………………………………… 7-31
7.7 – Auger……………………………………………………………………………………………….. 7-31
7.7.1 – Installation and removal…………………………………………………………………………… 7-31
7.7.2 – Operation……………………………………………………………………………………………… 7-31
7.8 – Hydraulic thumb………………………………………………………………………………….. 7-32
7.8.1 – Installation and removal…………………………………………………………………………… 7-33
7.8.2 – Precautions for use…………………………………………………………………………………. 7-33
7.8.3 – Operation……………………………………………………………………………………………… 7-36
7.8.4 – Lubrication……………………………………………………………………………………………. 7-36
7.9 – Load handling…………………………………………………………………………………….. 7-37
7.9.1 – Load handling table………………………………………………………………………………… 7-41
7.9.2 – Safety valves…………………………………………………………………………………………. 7-43
8 – MAINTENANCE………………………………………………………………………….. 8-1
8.1 – Safety………………………………………………………………………………………………….8-2
8.1.1 – Placement out of service for maintenance……………………………………………………… 8-5
8.1.2 – Engine start inhibition switch………………………………………………………………………. 8-6
8.2 – Tools and equipment for maintenance…………………………………………………………8-7
8.3 – Guards………………………………………………………………………………………………..8-8
8.3.1 – Engine hood…………………………………………………………………………………………… 8-9
8.3.2 – Radiator cover……………………………………………………………………………………….. 8-10
8.3.3 – Rear cover……………………………………………………………………………………………. 8-11
8.3.4 – Distributor compartment guard…………………………………………………………………. 8-12

8.3.5 – Fuse and relay compartment guard……………………………………………………………. 8-12
8.3.6 – Tool compartment guard………………………………………………………………………….. 8-13
8.4 – Protective structure tip-over…………………………………………………………………… 8-13
8.5 – Electrical system…………………………………………………………………………………. 8-16
8.6 – Tracks………………………………………………………………………………………………. 8-16
8.7 – Refilling…………………………………………………………………………………………….. 8-17
8.7.1 – Refilling quantity table…………………………………………………………………………….. 8-17
8.7.2 – Products for lubrication……………………………………………………………………………. 8-19
8.7.3 – Fuel…………………………………………………………………………………………………….. 8-20
8.7.4 – Engine oil……………………………………………………………………………………………… 8-21
8.7.5 – Cooling liquid………………………………………………………………………………………… 8-22
8.7.6 – Hydraulic system oil………………………………………………………………………………… 8-24
8.7.6.1 – Requirements for using eco-friendly hydraulic oil…………………………………………. 8-26
8.7.6.2 – Scheduled plan for analysis and control of ecological hydraulic oil……………………. 8-28
8.7.6.3 – Requirements for the sampling of eco-friendly hydraulic oil……………………………. 8-29
8.8 – Battery……………………………………………………………………………………………… 8-32
8.8.1 – Fitting and removing the battery……………………………………………………………….. 8-33
8.8.2 – Recharging the battery……………………………………………………………………………. 8-34
8.9 – Tightening torque tables……………………………………………………………………….. 8-35
8.10 – Periodic maintenance………………………………………………………………………….. 8-36
8.10.1 – Performance check……………………………………………………………………………….. 8-38
8.10.2 – Check of engine oil level………………………………………………………………………… 8-38
8.10.3 – Changing the engine oil…………………………………………………………………………. 8-40
8.10.4 – Changing the engine oil filter…………………………………………………………………… 8-42
8.10.5 – Replacement of oil separator filter……………………………………………………………. 8-44
8.10.6 – Check of cooling liquid level……………………………………………………………………. 8-46
8.10.7 – Changing the cooling liquid…………………………………………………………………….. 8-48
8.10.8 – Check and replacement of cooling liquid sleeves………………………………………….. 8-50
8.10.9 – Cleaning the radiator…………………………………………………………………………….. 8-51
8.10.10 – Cleaning the air conditioner condenser…………………………………………………….. 8-53
8.10.11 – Check the hydraulic oil level…………………………………………………………………… 8-54
8.10.12 – Change discharge circuit hydraulic oil filter……………………………………………….. 8-56
8.10.13 – Hydraulic system oil sampling/replacement……………………………………………….. 8-58
8.10.14 – Replacement of intake circuit hydraulic oil filter………………………………………….. 8-60
8.10.15 – Check the condition of hydraulic lines………………………………………………………. 8-62
8.10.16 – Check that the screws of the drive wheel/rollers are tight…………………………….. 8-63
8.10.17 – Track service position…………………………………………………………………………… 8-64
8.10.18 – Track tension check…………………………………………………………………………….. 8-66
8.10.19 – Adjusting the track tension……………………………………………………………………. 8-68
8.10.20 – Checking the tension and replacing the air conditioner belt…………………………… 8-71
8.10.21 – Checking tension and replacing alternator belt…………………………………………… 8-72
8.10.22 – Checking and replacing the air filter………………………………………………………… 8-73
8.10.23 – Checking for clogging cab ventilation system air filter replacement…………………. 8-75
8.10.24 – Replacement of fuel filter……………………………………………………………………… 8-77
8.10.25 – Draining the fuel tank………………………………………………………………………….. 8-78
8.10.26 – Draining water from the fuel circuit…………………………………………………………. 8-79
8.10.27 – Cleaning the filter on the fuel intake………………………………………………………… 8-80
8.10.28 – Bleeding air from the fuel circuit…………………………………………………………….. 8-82
8.10.29 – Level control and replacement of geared motors translation oil……………………… 8-84

8.10.30 – Swivel geared motor……………………………………………………………………………. 8-85
8.10.31 – Lubrication of pins………………………………………………………………………………. 8-86
8.11 – Long inactivity periods………………………………………………………………………… 8-88
8.12 – Dismantling the machine……………………………………………………………………… 8-90
9 – ELECTRICAL COMPONENTS………………………………………………………… 9-1
9.1 – Fuses and relays…………………………………………………………………………………… 9-1
9.1.1 – Control box fuses…………………………………………………………………………………….. 9-2
9.1.2 – Engine fuses and relays…………………………………………………………………………….. 9-6
9.2 – Work lights replacement…………………………………………………………………………. 9-7
9.3 – LED strip replacement…………………………………………………………………………….. 9-8

Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual