Kit contains:
1x Gear trap
2x M4x8 cross pan screw
1x SS6902zz 15x28x7

• A motor
• 2x φ2.8x150mm black wire
• 2x φ2.8x150mm red wire
• 2x M4x8 Hexagon socket button head screws
• 2x M4x16 Hexagon socket head cap screws
• 2x M4x20 Hexagon socket head cap screws
• 4x M4x12 Hexagon socket head cap screws
• 1x 3mm Allen key

Reasons:
1. No impact power
2. Axle doesn’t turn

• 1x Lock ring
• 2x M4x16 Hexagon socket head cap screws
• 1x 3mm Allen key
• 2x φ4 Shrink tube

Reasons:
Can't lock the battery

• sp72101_3Dgasket_60_V1_170303
• 2XM4x16 Hexagon socket head cap screws
• 2XM4x25 Hexagon socket head cap screws
• 4XM4x12 Hexagon socket head cap screws
• 3mm Allen key

• An Electric switch
• 1x φ8.0xφ0.6×20 Spring
• 2x M4x16 Hexagon socket head cap screws
• 2x M4x25 Hexagon socket head cap screws
• 2x M4x12 Hexagon socket head cap screws
• A sponge cushion
• 1x 3mm Allen key

Reasons:
1. Cannot switch directions
2. Speed cannot be regulated

• A gear assembly
• 1x 61902 Bearing&Bearing washer
• sn08003 Impact shaft
• 4x M4x12 Hexagon socket head cap screws
• 2x M4x16 Hexagon socket head cap screws
• 2x M4x20 Hexagon socket head cap screws
• 1x 3mm Allen key

Reasons:
1. No impact power
2. Axle doesn’t turn

• 1x Body basement
• 3x M4x16 Hexagon socket head cap screws
• 1x 3mm Allen key
• 2x 4mm Shrink tube

Reasons:
1. Body basement leak
2. Junction burns out result in bad contacts

• A valve
• A valve cap
• 2xφ5xφ2.5 O rings

Reasons:
1. Valve cap leak
2. Fail to inflate

• A gear cover subassembly
• 2x M4x20 Hexagon socket head cap screws
• 4x M4 Screw pad
• 2x φ5xφ2.5 O ring
• 2x LED cover
• 1x 3mm Allen key

Reasons:
1. Axle or screw leak