HUMMER H1: STEP BY STEP
™
172
Stage 37
Main gear shaft
1680 ball bearing
5 × 4mm set screw
Main shaft cup joint
The main shaft cup joint
Your parts
Tools and
materials
2.5mm Allen key (Stage 7)
Thread-locking agent (or rubber-based
adhesive)
Main shaft assembly (Stage 36)
Sealable plastic bag
Marker pen