35
G e a r b o x a s s e m b l y
Disassembly：
：：
：
Gear box comp
Left crankcase comp（24） Screw（19）/Gear box cap cmop（20）/Washer（21、23）
Idle shaft comp（1）Transmition bearing（6） Rear axle shaft（12） Rear axle（13） Idle shaft（4 ）Transmition bearing（5）
Idle shaft （4） Oil seal of intake bearing（11）和 Bearing（12） Oil seal of intake bearing（15）Bearing（14）
Assembly
AssemblyAssembly
Assembly：
：：
：Oppsite b
Oppsite bOppsite b
Oppsite bo the steps of disassembly.
o the steps of disassembly.o the steps of disassembly.
o the steps of disassembly.
Instructions
InstructionsInstructions
Instructions：
：：
：
1. All the bearing should be pressed to the right position, the mark on the bearing faces to the direction
eyeable. The bearing should round freely without block, after the assembly.。
2. When assembling the oil seal, add some machine oil on the outer ring, the seal can not be damaged.
pressed gradidently or ttubed over.
3. All the gear should tooth in right positions, all the wheels and bearings can round freely.
4． When assembling the fixing bolt, at first tight the bolt of dowel pin, then lock all the bolts diagonally in seps the
value of torque is 10~12N•m。
A1 A2 B1 B2
Value of teeth 15T 40T 16T 37T
Rate of speed-down
2．667 2．315
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