Page 933 - Workshop Manual - Aumark (BJ1051)

31B-13
Transmission 6g120 - transmission assy

Symptom Suspect Area Reference
1. Flange nut (Loose)
Chapter 31 a transmission 6g120-
transmission assy, overhaul
2. Gear (The axial clearance is too
big) Chapter 31 a transmission 6g120-
transmission assy, overhaul
3. Gear meshing end (Worn
seriously) Chapter 31 a transmission 6g120-
transmission assy, overhaul
4. Synchronizer (Damaged)
Chapter 31 a transmission 6g120-
secondary-axle assy, overhaul
The transmission skips gear or gets
out of gear 5. Bearing (Axial movement)
Chapter 31 a transmission 6g120-
transmission assy, overhaul
6. Gear shift fork (Deformed or
damaged) Chapter 31 a transmission 6g120-
upper cover assy, overhaul
7. Self-lock spring (Fractured or
tired) Chapter 31 a transmission 6g120-
upper cover assy, overhaul
8. Self-lock steel ball (Over worn)
Chapter 31 a transmission 6g120-
upper cover assy, overhaul
1. Interlock steel ball (Over worn)
The gears are disordered Chapter 31 transmission 6g120-
upper cover assy, overhaul

1. Lubricating oil (Excessive) -
2. Sealing parts (Invalid or -
damaged)

3. Fastener (Loose) -
The transmission leaks oil
4. Transmission housing -
(Distorted and deformed)
5. Sealant is not applied on the Chapter 31 a transmission 6g120-
bolt or the sealant applied is not transmission assy, overhaul 31B
uniform.

Page 933