SECTION 8 COMPONENT MOUNTING TORQUE
Group 1 Introduction guide ------------------------------------------------------------------------------------------- 8-1
Group 2 Engine system ------------------------------------------------------------------------------------------------ 8-2
Group 3 Electric system ----------------------------------------------------------------------------------------------- 8-4
Group 4 Hydraulic system -------------------------------------------------------------------------------------------- 8-5
Group 5 Undercarriage ------------------------------------------------------------------------------------------------ 8-7
Group 6 Structure --------------------------------------------------------------------------------------------------------- 8-8
Group 7 Work equipment --------------------------------------------------------------------------------------------- 8-10
SECTION 8 COMPONENT MOUNTING TORQUE
GROUP 1 INTRODUCTION GUIDE
1. This section shows bolt specifications and
standard torque values needed when
mounting components to the machine.
2. Use genuine Hyundai spare parts.
We expressly point out that Hyundai will not
accept any responsibility for defects resulted
from non-genuine parts.
In such cases Hyundai cannot assume
liability for any damage.
ö Only metric fasteners can be used and
incorrect fasteners may result in machine
damage or malfunction.
ö Before installation, clean all the
components with a non-corrosive cleaner.
1696MA04
Bolts and threads must not be worn or
damaged.
8-1
GROUP 2 ENGINE SYSTEM
1. ENGINE AND ACCESSORIES MOUNTING
2
2 Muffler
2
Air cleaner
Fan
1 5
Engine
2
5
5
Main pump
housing
1698CM01
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M 6Ý1.0 1.05Ü0.2 7.6Ü1.45 4 M10Ý1.25 12.8Ü3.0 93Ü22.0
2 M 8Ý1.25 2.5Ü0.5 18.1Ü3.6 5 M12Ý1.75 12.3Ü1.5 88.9Ü10.8
3 M10Ý1.5 6.9Ü1.4 49.9Ü10.1
8-2
2. COOLING SYSTEM AND FUEL TANK MOUNTING
Reservoir
tank
1 1
Radiator 2
total assy 2
1
Water separator
2
3
3 1
Fuel tank Fuel Feed
Pump
Engine
2
1698CM02
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M 6Ý1.0 1.05Ü0.2 7.6Ü1.45 3 M 10Ý1.5 6.9Ü1.4 49.9Ü10.1
2 M 8Ý1.25 2.5Ü0.5 18.1Ü3.6 4 M 12Ý1.75 12.8Ü3.0 92.6Ü21.7
8-3
GROUP 3 ELECTRIC SYSTEM
1. ELECTRIC COMPONENTS MOUNTING 1
Seat base
3 1
2
Fuse box
1
3
Master switch
Battery
1
3
1
3
1698CM03
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M 6Ý1.0 1.05Ü0.2 7.6Ü1.45 3 M10Ý1.5 6.9Ü1.4 49.9Ü10.1
2 M 8Ý1.25 2.5Ü0.5 18.1Ü3.6
8-4
GROUP 4 HYDRAULIC SYSTEM
1. HYDRAULIC COMPONENTS MOUNTING 1
2 RCV-RH RCV-LH
1 1
3
3
RCV dozer RCV-Travel RCV pedal
Coupling Main pump
housing
2
3
2 3
2
MCV Main pump
Swing motor
Shuttle valve
4 3 1 4
MCV bracket
Stop valve
3 3 3
Terminal Terminal Assy Block A Selector valve Solenoid valve Turning joint
2 3
2
3
Selector valve
3 (multimode)
2
3 2
1698CM05
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M 6Ý1.0 1.05Ü0.2 7.6Ü1.45 3 M10Ý1.5 6.9Ü1.4 49.9Ü10.1
2 M 8Ý1.25 2.5Ü0.5 18.1Ü3.6 4 M12Ý1.75 12.8Ü3.0 93Ü22.0
8-5
2. HYDRAULIC COMPONENTS MOUNTING 2
1 2 1 2
Boom cylinder Arm cylinder
1 2 1 2
Bucket cylinder Extension cylinder
1 2 1 2
Boom swing cylinder Blade cylinder
1698CM07
ÂTightening
Tightening torque
1) Gland 2) Piston
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
Boom cylinder M65 52Ü5.0 376Ü36.2 Boom cylinder M28 70Ü7.0 506Ü50.6
Arm cylinder M65 52Ü5.0 376Ü36.2 Arm cylinder M28 70Ü7.0 506Ü50.6
Bucket cylinder M60 48Ü5.0 347Ü36.2 Bucket cylinder M24 60Ü6.0 434Ü43.4
Dozer cylinder M70 56Ü5.0 405Ü36.2 Dozer cylinder M24 60Ü6.0 434Ü43.4
Boom swing cylinder M60 48Ü4.8 347Ü34.7 Boom swing cylinder M24 60Ü6.0 434Ü43.4
Extension cylinder M55 44Ü4.5 318Ü32.5 Extension cylinder M20 50Ü5.0 362Ü36.2
8-6
GROUP 5 UNDERCARRIAGE
2 3 2
Roller
Idler & T/cylinder assy
1698CM08
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M10Ý1.5 6.9Ü0.7 49.9Ü5.1 3 M12Ý1.75 12.8Ü3.0 93Ü22.0
2 M10Ý1.5 6.9Ü1.4 49.9Ü10.1
8-7
GROUP 6 STRUCTURE
1. CANOPY AND ACCESSORIES MOUNTING
Roof
3
2
2
1
1 Canopy
1
Travel lever
1
1 3
1
2
Guard 3
1698CM09
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M 8Ý1.25 2.5Ü0.5 18.1Ü3.6 3 M12Ý1.75 12.8Ü3.0 92.6Ü21.7
2 M10Ý1.5 6.9Ü1.4 50Ü10
8-8
2. COWLING MOUNTING
1
Engine hood
1
1
Support
1
Side cover-RH 2 Counterweight
3
1
2
1 Engine under cover
1
1
1
Frame cover-RH
Upper frame
1
1
1 Frame cover-LH
1698CM10
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M 8Ý1.25 2.5Ü0.5 18.1Ü3.6 3 M16Ý2.0 29.7Ü4.5 215Ü32.5
2 M10Ý1.5 6.0Ü1.4 43.4Ü10.1
8-9
GROUP 7 WORK EQUIPMENT
Arm cylinder head pin
1
Boom cylinder
Arm cylinder 1 head pin
1
Boom swing
cylinder head pin
Boom swing
cylinder
1
Arm cylinder
rod pin
Arm pin
Bucket cylinder 1 Boom cylinder
1
Bucket control Bucket cylinder
rod pin head pin
1 1 1
2
Boom swing Boom pin
Tooth cylinder rod pin
1 Boom swing pin Boom cylinder
1 rod pin
3
Bucket cylinder Side cutter
rod pin 2
1
Bucket
Bucket
Bucket control control link
rod pin
Dozer cylinder
Dozer cylinder
rod pin
2
2
2
Dozer pin
Dozer cylinder
head pin
Dozer blade
1698CM11
ÂTightening torque
Item Size kgfÂm lbfÂft Item Size kgfÂm lbfÂft
1 M10Ý1.5 6.0Ü1.4 43.4Ü10.1 3 M16Ý1.5 31.3Ü4.7 226Ü34
2 M12Ý1.75 12.8Ü3.0 92.6Ü21.7
8-10
