Power train System 20/25/30/33D- 7(E) 7(E)
Basic information for power train system
TRANSMISSION(MSP) - PTO PTO Driv Drive e - Gear Gear Trai Train n - Clut Clutch ch Pac Pack k - Charg Charging ing Pump Pump
ENGINE (Kubota) * V3300-Tier 2 * V3600-Tier 3
- Cont Control rol Valv Valve e
DRIVE AXLE(MSP) TORQUE CONVERTER
- Mast Mast Mount Mountin ing g - Frame Frame Moun Mounti ting ng
- Impe Impell ller er
- Hub
- Stator ator
- Brake
- Turb Turbin ine e
Basic information for power train system
TRANSMISSION(MSP) - PTO PTO Driv Drive e - Gear Gear Trai Train n - Clut Clutch ch Pac Pack k - Charg Charging ing Pump Pump
ENGINE (Kubota) * V3300-Tier 2 * V3600-Tier 3
- Cont Control rol Valv Valve e
DRIVE AXLE(MSP) TORQUE CONVERTER
- Mast Mast Mount Mountin ing g - Frame Frame Moun Mounti ting ng
- Impe Impell ller er
- Hub
- Stator ator
- Brake
- Turb Turbin ine e
Other models
Engine Model
20/25/30/33D-7(E)
Engine
Kubota
35/40/45D(S)-7
HDF50/70-7(S)
D: HMC S: Mitsubishi
D: HMC S: Mitsubishi
80D-7
100>160D-7(E)
Mitsubis hi
Cumm ins
HMC: Hyundai Motor Co.,
Transmission Model
20/25/30/33D-7(E)
35/40/45D(S)-7
HDF50/70-7(S)
80D-7
100>160D-7(E)
T/M
MSP
DIC
ZF(3W G94)
ZF(3W G94)
ZF(3W G161)
Gear s hift (FR/RR)
1/1
2/2
3/3
3/3
3/3
Axle Model
20/25/30/33D-7(E)
35/40/45D(S)-7
HDF50/70-7(S)
80D-7
100>160D-7(E)
Axle Axle
MSP
DIC DIC
DIC DIC
DIC DIC
Kessler
Axle Axle oil (Capacity)
MobileFluid 424 (5 )
MobileFluid 424 (10.5 )
SAE80W-90 /API GL-5 (12.5 )
MobileFluid 424 (12.5 )
Gear oil: SAE80W-90 /API GL-5 Cooling oil: Hydraulic oil + Lubrizol LZ9990A LZ9990A
Structure and Operation Power train Diagram Torque Converter
Transmission
T/M filter
Control valve
Drive shaft Brake (Wet)
Drive Axle
Hub
Specification Specification
Item Torque converter Model
Transmission
Type
3 Element, 1stage, 2phase
Stall ratio
2.8
Type
Power shift
Gear shift (FR/RR)
1/1
Control
Electrical single lever type
Overhaul ratio
Axle Wheels Brakes
Z80-D(ZF)
FR
15.886
RR
16.497
Type
Front wheel drive type, fixed location
Gear
Hypoid gear type
Q’ty (FR/RR)
Single: 2/2, Double:4/2
Travel
Front wheel, duo-servo & auto adjustment type
Parking
Toggle, internal expanding mechanical type
Transmission
Transmission
Control valve Torque converter
Temp. Sensor
Parking brake link lever
T/M oil filter ★Air
breather T/M output (Drive shift joint)
Dip stick
T/M case, Control valve, Oil pump and Parking brake
Structure
Forward Clutch Cutch pack plugging
Cutch pack lubrication line
pressure delivery line
(From control valve)
(From control valve)
9~14.2kgf/㎠
1 Drum gear
4 Clutch gear
2 Clutch piston
5 Forward shift
3 Friction plate and plate
Modification of Transmission Seal type #1
(SB-I-2009-013)
Caution! Forward/reverse clutch pack must be replaced with those 3 parts at the same time
Modification of Transmission Seal type #2
(SB-I-2009-016)
ro ved p m I n P isto
Torque Converter (Structure)
Stator
Pump
Turbine Input flange T/M Pump
Picture of Impeller (Pump) and Turbine (Motor)
Torque Converter (Diagram)
(2~3bar) (7bar)
For clutch lubrication
:To protect converter (13cc/rev)
blades
:To protect oil cooler
Torque Converter (Oil pump & spacer) Oil pump case
Stator shaft Drive gear
Spacer
Control valve
Function of Control valve Sort
Function
Remarks
It relives oil flows. Modulating Valve
It decreases impact when changing gear to the forward or backward and quick start and using inching valve.
Useful when abrupt gear change is tried.
Solenoid Valve
It is connected with switch of forward, back ward and it supplies pressure to the clutch of forward, backward.
Inching Valve
It controls pressure of clutch oil depending on how Do not use at high much operator presses the inching pedal. travel speed
Regulator Valve
It controls oil pressure to the regulation scope that is occurred from charging pump of the converter. Main relief valve It protects valve and oil cooler of the converter.
Hydraulic Circuit
Engine
- Inching
Engine
Engine
Improvement of Jerky starting (SB-I-2008-017)
Improvement of Gear Selector (SB-I-2009-009) (35D/40D/45D-7)
Drive Axle
Drive Axle
Carrier Ass’y
Axle housing
Brake (wet)
Oil level gauge Hub
Structure Axle shaft
Differential device
Axle shaft
Hub Brake
Pinion shaft
Ring gear
From T/M output
Brake
Schematic for wet disc brake Brake piston
Brake oil passage
Friction discs & plates
Wheel hub
Return spring
Piston seal
Improvement of brake disc
(SB-S-2010-017)
2. Improvement Part name Plate-friction
Current
Improved
Part number
Qt'y
Part number
Qt'y
XKCF-00138
10
XKCF-00644
10
Remark Developed for A/S purpose
! n o i t c u 3. Noise Countermeasure d e r Step 1) Periodic maintenance (Replace MF424 oil at initial 50 hours and every 500 hours.) e i s Step 2) Oil replacing period comes earlier and/or, MF 424 is less effective. o n Step 3) Replace the improved discs(XKCF-00644) and oil in accordance with below table. e k HHI's view Axle oil Remark r a B Mobil Fluid 424 (* Current) Plate
XKCF-00137
Recommended
12
Shell Donax TD 10W30 Shell Spirax 80W90 LS
Replaceable
Mobil Infilex33 85W90
Need not to replace.(Reusable)
HHI finished real test. (Confirmed) In case, the 2 recommended oils are not available, you can try.
Caltex Textran TDH Note) It needs not to replace Plate(XKCF-00137) whenever Friction plates are replaced.
Brake disc (Wet type)
Brake & hub
Piston seal
Friction disc and plate
Piston seal
Brake piston
Disassembly
Air bleeding & brake oil line
Friction disc(5EA) & plate(6EA)
Troubleshooting - Air bleeding 1)Pedal stroke : If the seal in master cylinder is positioned in the left side than hole for brake oil from reservoir tank, air-bleeding job can not be done correctly. In this case, you need to adjust for the pedal idle stroke(1~3mm). In other words, rod in master cylinder needs to be pulled out in maximum. 2)Master cylinder & Axle (2 persons) : Person A press and release the pedal several times(10 times) and press it in the end. Person B slightly release the pipe line in master cylinder outlet to take out the oil (air) in master cylinder. Person A release the pedal (At this point, refill the brake oil in reservoir tank. If the oil level is not reduced, above pedal stroke adjustment is not correctly done.) and repeat above work 4~5 times. Then, tighten the pipe to finish air-bleeding job with master cylinder. (Same job for axle bleeding)
Specification 1)Disc brake Item
Specification
Type
Wet disc brake
Master cylinder diameter (non-boosted)
33mm
Pedal height
160mm
Play
1~3mm
Pedal adjustment Brake oil
Azola zs10(SAE 10W hydraulic oil)
2)Parking brake Item
Specification
Type
Ratchet, internal expending mechanical type
Parking lever stroke/Cable stroke
12.1º/11.5mm
Brake system Parking brake Brake pedal T/M control valve Inching pedal Master cylinder
Transmission
Pressure switch Drive axle
Use of Brake Oil
(SB-S-2009-012)
Caution! Use correct brake oil according to decal for your brake system
Improperly used brake oil Damages the seals and piston stuck.
Distinction of brake oil
Protection of brake pipe (SB-I-2009-011) ★
Phenomenon
★
U-clamp installation
Improvement of brake pressure switch
(SB-I-2009-023)
a r b 6 3 4.
a r b 6 9
Inching pedal and linkage Stroke: 3~4mm Pressure drop: 2~3bar
(Initial position)
Adjustment
(15~20 mm) (1~3 mm)
(160 mm)
(160 mm)
Brake pedal 1)Pedal height from floor
- Adjust with stopper bolt
- Adjust with stopper bolt
- Adjust with master cylinder rod
Parking brake
Inching pedal
1)Pedal height from floor
2)Idle stroke
(Stroke: 2~3mm)
2)Adjust bolt so that brake pedal interconnects with inching pedal at inching pedal stroke 15~20mm
1)After assembling parking brake and parking cable, put parking brake lever released. 2)Loosen nut for parking brake plate to play up and down. 3)Move up the plate so that stopper can be connected with pin and reassemble nut.
Maintenance Chart for power train system Service
Item
Interval
No.
10hrs or daily
5
Brake oil
6
Parking brake operation
15
Tire air pressure and Wheel nut
25
Pedal linkage operation
Service
Oil
Capacity
action
Symbol
( )
Check, Add
BF
0.5
Check, Adjust
-
-
Check, Add
-
-
Check, Adjust
-
-
50hrs
13
Steering axle linkage
Check, Add
G
-
or weekly
22
Transmission oil level
Check, Add
MO
10
Initial 50hrs
26
Differential gear oil
Change
GO
5
Initial
22
Transmission oil
Change
MO
10
100hrs
23
Transmission oil filter
Replace
-
-
26
Differential gear oil
Check, Add
GO
5
Brake oil
Replace
BF
0.5
250hrs or monthly
*1: Conventional hydraulic oil
Description
500hrs or
5
3 monthly
26
Differential gear oil
Replace
GO
5
1000hrs or
22
Transmission oil
Replace
MO
10
6 monthly
23
Transmission oil filter
Replace
-
-
12
Radiator coolant
Replace
C
9.4
19
Hydraulic strainer
Check, clean
-
-
19
Hydraulic oil*1
Change
HO
26
19
Hydraulic oil*2
Change
HO
26
2000hrs
*2: Hyundai genuine long life hydraulic oil 5000hrs
