Manual
Table Of Contents
- Safety
- Benefits of Vibration
- Head and Shaft Selection
- Adjusting the Backpack
- Pre-Operation Checks
- Operation
- Maintenance
- Servicing the Engine
- Troubleshooting
- Service
- Parts
- Honda Engine Parts
- Honda Engine Warranty
- Wyco Warranty
- Wyco Drawings
- W402535 Backpack Assembly
- W402530 Frame Assembly
- W402600 Speed Increaser Assembly, 1 of 4
- W402600 Speed Increaser Assembly, 2 of 4
- W402600 Speed Increaser Assembly, 3 of 4
- W402600 Speed Increaser Assembly, 4 of 4
- W402316 Replacement Clutch Kit
- W402630 Quick Disconnect Adapter

Concrete Vibrator, Backpack Model WBP50
Page 20 March 2014
W402600 Speed Increaser Assembly, 2 of 4
Item Part Number Qty Description
1 W402601 1 Housing, speed increaser, machined
2 W402620 1
Gear assembly, output, speed
increaser
3 W402125 1 Ring, retaining; internal
Item Part Number Qty Description
1 W419661 2 Bearing, ball, deep groove
2 W402131 1 Spacer, bearing
3 W402619 1 Gear, output shaft, machined
4 W402189 1 Driver, hex; backpack; black oxide
Item Part Number Qty Description
1 W402614 1 Gear, input shaft, machined
2 W419661 2 Bearing, ball; deep groove
3 W402131 1 Spacer, bearing
4 W402602 1 Bearing adapter, speed increaser