Zontes ZT310M 2022, Руководство по обслуживанию

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Three - Failure phenomenon / failure analysis
1. The engine gas valve is operating normally, but the car does not move
• Damage to the drive shaft, output shaft, double-tooth keyway or helical teeth in the gearbox causes the idling rear
wheels to not move.
• The gears or bearings in the gearbox are stuck, causing the car to stop running (the rear wheels cannot rotate at this
time).
2. There is abnormal noise in the gear box
• The gear is worn, or the meshing surface of the gear is corroded or damaged.
• The bearing is worn or damaged.
3. Oil leakage in the gear box
• The oil seal is worn or damaged.
• The gear box locking bolts are loose or the joint surface of the gear box cover is leaking oil.
Four - Gearbox disassembly and decomposition
When disassembling the gearbox, the engine does not need to be disassembled from the vehicle, but the gearbox oil
needs to be drained and the following parts must be disassembled.
Drain the gear box oil
. (Refer to ZT310T-M Maintenance Manual-Engine Oil-Change Gear Box Oil)
The parts to be disassembled are as follows:
• Engine left cover, engine left cover shockproof sponge, engine air inlet cover, air filter.
(Refer to ZT310T-M
Maintenance Manual-2. Maintenance-Air Filter (Filter Element), Air Inlet Filter Element)
•Left crankcase cover.
(Refer to ZT310T-M Maintenance Manual-2. Maintenance-V-belt)
• Infinitely variable speed assembly. (Refer to ZT310T-M Maintenance Manual-2. Maintenance-V-belt)
• Rear brake hose and rear rocker arm assembly. (Refer to ZT310T-M Maintenance Manual-2. Maintenance-
Brake System-Replace Brake Disc)
• Rear wheel assembly. (Refer to ZT310T-M Maintenance Manual-2. Maintenance-Brake System-Replace
Brake Disc)
1. As shown in the figure, use T rod-10# to remove 6 GB16674M8×40 locking bolts on the gear box cover.
2. As shown in the figure, remove the gear box cover, gear box cover gasket, and positioning pins in sequence.