BAIC Power Train System Manual PDF Download (EN)

SECTION 3 POWER TRAIN SYSTEM SECTION 3 POWER TRAIN SYSTEM Group 1 Structure and Function (fault code) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1 Group 2 Operational Checks and Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-78 Group 3 Test and Adjustments - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-90 Group 4 Disassembly and Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-92

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SECTION 3 POWER TRAIN SYSTEM SECTION 3 POWER TRAIN SYSTEM GROUP 1 STRUCTURE AND FUNCTION GROUP 1 STRUCTURE AND FUNCTION 1. POWER TRAIN COMPONENT OVERVIEW 1. POWER TRAIN COMPONENT OVERVIEW Transmission Engine Front drive shaft Center drive shaft Rear drive shaft Rear axle 960A3PT01 The power train consists of the following components: · Transmission · Front, center and rear drive shafts · Front and rear axles Engine power is transmitted to the transmission through the torque converter. The transmission is a hydraulically engaged four speed forward, three speed reverse countershaft type power shift transmission. A calliper-disc type parking brake is located on the transmission.

The transmission outputs through universal joints to three drive shaft assemblies. The front drive shaft is a telescoping shaft which drives the front axle. The front axle is mounted directly to the loader frame. The front axle is equipped with conventional differential as standard (option : Limited slip, Hyd lock differential). The rear axle is equipped with conventional differential as standard (option : Limited slip differential) The rear axle is mounted on an oscillating pivot. The power transmitted to front axle and rear axle is reduced by the pinion gear and ring gear of differential. It then passes from the differential to the sun gear shaft (axle shaft) of final drive.

The power of the sun gear is reduced by a planetary mechanism and is transmitted through the planetary hub to the wheel. 3-1 Front axle

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HYDRAULIC CIRCUIT HYDRAULIC CIRCUIT (4-speed transmission) P1 16+2 bar 7607APT18-1 NFS Follow-on slide D Vibration damper B Orifice P1 Proportional valve clutch K4 P2 Proportional valve clutch KR P3 Proportional valve clutch K1 P4 Proportional valve clutch K3 P5 Proportional valve clutch KV P6 Proportional valve clutch K2 Y1~Y6 Pressure regulator X :

Pressure regulator under voltage 3-2 K4 KR K1 K3 KV K2 F 60 P2 E B D NFS Y2 55 P3 D B D NFS Y3 56 P4 C B D NFS Y4 58 P5 B D NFS Y5 B 53 P6 A B D NFS Y6 Pressure reducing valve B D NFS B D B D B D NFS D Y1 Y2 Y3 Y4 Y5 6 Pressure reducing valve Temp sensor 9+0.5 bar Filter pressure differential valve Converter Relief Filter valve 11+2 bar Oil cooler Back pressure valve Pump 4.3+3 bar 16+2 bar Oil sump Lubrication Main oil circuit Filter pressure differential valve Converter Relief Filter valve 11+2 bar Oil cooler Back pressure valve Pump 4.3+3 bar 16+2 bar Oil sump Lubrication Main oil circuit Filter pressure differential valve peed Forward Reverse Eng Neutral clu Position aged on the tch valve blo Current s No.

of the measuring ck points 1 2 3 4 1 2 3 Y1 X K 4 F 60 Y2 X X X K R E 55 Y3 X X K 1 D 56 Y4 X X X K 3 C 58 Y5 X X X K V B 53 Y6 X X K 2 A 57 gaged lutch K1,KV KV,K2 K 3,KV K4,K3 KR,K 1 KR,K2 KR, K3 - - -

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HYDRAULIC CIRCUIT HYDRAULIC CIRCUIT (5-speed transmission) P1 Valve block control circuit 16+2 bar 7609A3PT18 NFS Follow-on slide D Vibration damper B Orifice P1 Proportional valve clutch K4 P2 Proportional valve clutch KR P3 Proportional valve clutch K1 P4 Proportional valve clutch K3 P5 Proportional valve clutch KV P6 Proportional valve clutch K2 Y1~Y6 Pressure regulator X :

Pressure regulator under voltage 3-3 K4 KR K1 K3 KV K2 F 60 P2 E B D NFS Y2 55 P3 D B D NFS Y3 56 P4 B NFS Y4 C 58 P5 D B D NFS Y5 B 53 P6 A B D NFS Y6 Pressure reducing valve B D NFS B D Y2 B D NFS B D Y1 Y2 Y3 Y5 Y6 Pressure reducing valve Temp sensor 9+0.5 bar Converter lock-up clutch Filter pressure differential valve Converter Relief Filter valve 11+2 bar Oil cooler Back pressure valve Pump 4.3+3 bar 16+2 bar Oil sump Lubrication Main oil circuit Converter lock-up clutch Filter pressure differential valve Converter Relief Filter valve 11+2 bar Oil cooler Back pressure valve Pump 4.3+3 bar 16+2 bar Oil sump Lubrication Main oil circuit Filter pressure differential valve peed Forward Revers e Eng Neutral clu 3 Position aged on the tch valve blo Current s No.

of the measuring ck points 1 2 3 4 5 1 2 Y1 X X K 4 F 60 Y2 X X X K R E 55 Y3 X X K 1 D 56 Y4 X X X K 3 C 58 Y5 X X X K V B 53 Y6 X X X K 2 A 57 gaged lutch K1,KV KV,K2 K2,K 4 KV,K3 K3,K4 KR,K1 KR,K2 KR,K3 - - -

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