Service Repair Manual
307B Mini Hydraulic
Product: MINI HYD EXCAVATOR
Model: 307B MINI HYD EXCAVATOR AFB
Configuration: 307B Excavator AFB00001-UP (MACHINE) POWERED BY 4M40 Engine
Disassembly and Assembly
307B Excavator Machine Systems
Media Number -RENR1091-03
Publication Date -01/09/2000
Date Updated -23/07/2018
Track - Separate
SMCS - 4170-076
Tool Part Number
5P-6214 Track Block Assembly
a. Put the machine on a flat, level surface.
Personal injury or death can result from grease and oil coming out of
the relief valve.
Grease and oil are under high pressure coming out of the relief valve
and can penetrate the body.
Do not watch the relief valve to see if grease is escaping. Watch the track
or track adjustment cylinder to see if the track is being loosened.
Make sure the vent holes are clean before the tension is released on the
307B Excavator AFB00001-UP (MACHINE) POWERED BY 4M40 Engine(SEBP29...
Personal injury can result from the track coming off of the roller frame.
The track can move off the track roller frame very quickly when a
separation of the track is made.
Keep away from the front of the machine when the track is removed
from the track roller frame.
1. Position the master pin in a horizontal line through the center of the drive sprocket.
2. Release the tension on the track assembly. Refer to Operation and Maintenance Manual,
"Track Adjustment - Adjust" for the proper procedure.
3. Use Tooling (B) to remove bolts (1). Remove track shoes (2).
4. Move the track assembly until master pin (3) is in the approximate position, as shown.
Position Tooling (A) under the track grouser, as shown. Move the track onto the tool.
307B Excavator AFB00001-UP (MACHINE) POWERED BY 4M4