Page 859 - Workshop Manual - Aumark (BJ1051)

31A-13
Transmission (646b/651b)-transmission assembly

Symptom Suspect Area Reference

1. Flange nut (Loose) Chapter 31 a transmission
(646b/651b)- transmission assembly,
overhaul
2. Gear (The axial clearance is too Chapter 31 a transmission
big) (646b/651b) - transmission assembly,
overhaul
3. Gear meshing end (Worn Chapter 31 a transmission
seriously) (646b/651b) - transmission assembly,
overhaul
4. Synchronizer (Damaged) Chapter 31 a transmission
(646b/651b)- secondary -axle
The transmission skips gear or gets assembly, overhaul
out of gear 5. Bearing (Axial movement) Chapter 31 a transmission
(646b/651b)- transmission assembly,
overhaul
6. Gear shift fork (Deformed or Chapter 31 a transmission
damaged) (646b/651b)-upper cover assembly,
overhaul
7. Self-lock spring (Fractured or Chapter 31 a transmission
tired) (646b/651b)-upper cover assembly,
overhaul
8. Self-lock steel ball (Worn) Chapter 31 a transmission
(646b/651b)-upper cover assembly,
overhaul
1. Interlock steel ball (Worn) Chapter 31 a transmission
The gears are disordered (646b/651b)-upper cover assembly,
overhaul
1. Lubricating oil (Excessive) -
2. Sealing parts (Invalid or
damaged) -
3. Fastener (Loosened) -
The transmission leaks oil
4. Transmission housing (Distorted - 31A
and deformed)
5. Sealant is not applied on the bolt Chapter 31 a transmission
or the sealant applied is not (646b/651b) - transmission assembly,
uniform. overhaul

Page 859