R380 5 Speed Gearbox

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R380 Torque Settings

Oil pump to extension case

6NM

Attachment plate to gearcase

8NM

Attachment plate to remote housing

8NM

Splash shield bolts

8NM

Bottom cover to clutch housing

8NM

Breather baffle

8NM

Clip to clutch release lever

8NM

Clip to clutch release lever

8NM

Interlock spool retainer to gear case

8NM

Torsion spring locknut - adjusting screw

8NM

Screw - gear lever retention

8NM

Breather

15NM

Gear lever cap retainer bolt

15NM

Reverse inhibitor shaft

16NM

Reverse light switch

24NM

Transfer box to remote housing bolts

25NM

Bias adjustment plate bolts

25NM

Selector quadrant setscrew

25NM

Gear change lever yoke setscrew

25NM

Bridge plates to gear change housing

25NM

Bridge plates to gear change housing

25NM

Extension case to gear case

25NM

Front cover to gear case

25NM

Gear change housing to extension case

25NM

Gear lever housing to remote housing

25NM

Guide - clutch release sleeve to clutch housing

25NM

Mounting bracket

25NM

Pivot clutch lever to clutch housing

25NM

Pivot plate to clutch housing

25NM

Plug - detent ball and spring

25NM

Plunger housing to gear change housing

25NM

Remote selector housing to extension case

25NM

Slave cylinder to clutch housing

25NM

Upper gear lever assembly to lower gear lever

25NM

Upper gear lever assembly to lower gear lever

25NM

Yoke to selector shaft

25NM

Oil filler/level plug

30NM

Oil drain plug

50NM

Clutch housing to gearbox

72NM

Output flange bolt

90NM

5th gear layshaft stake nut

220NM

Transfer box gaiter support plate bolts

30NM

Selector shaft trunnion setscrew*

15 

Transfer box gaiter support plate bolts

15nm

R380 Tolerance Data

Part

New

Service Limit

Baulk ring clearances

0.5 mm

0.5 mm

1st gear end float

0.05 - 0.20 mm

0.327 mm

2nd gear end float

0.04 - 0.21 mm

0.337 mm

3rd gear end float

0.11 - 0.21 mm

0.337 mm

Adjust 5th - reverse hub - shim to

0.005 - 0.055 mm

0.055 mm

Reverse gear idler shaft clearance

0.04 - 0.38 mm

0.38 mm

Output shaft end float

Early gearboxes suffix J

0.01 - 0.06 mm

0.06 mm

Later gearboxes having letter K added
to gearbox serial number

0.00 - 0.05 mm

0.05 mm

Layshaft end float

Early gearboxes

0.01 - 0.06 mm

0.06 mm

Later gearboxes having letter K added
to gearbox serial number

0.0 - 0.05 mm

0.05 mm

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