6 testing & final assembly, Filling the differential – ARB RD153 User Manual
Page 36

6 Testing & Final Assembly
34
F
Turn the compressor (or alternate air source) on to charge the air
supply up to its maximum pressure.
F
Rotate one wheel by hand.
F
The wheel should rotate freely and the opposite wheel should be
turning in the opposite direction without any resistance or
mechanical noise from within the differential.
F
Turn the Air Locker switch to the ‘ON’ position. The illuminated
symbol on the switch cover should light up.
F
Rotate the same wheel again.
F
Both wheels should rotate together.
F
Turn the switch off again.
F
Rotate the same wheel.
F
The wheels should again rotate in opposite directions.
6.3
Filling the Differential
NOTE : Consult the ARB Air Locker Operating & Service
Manual for recommendations on differential lubricant
specifications.
F
Refill the differential until level with the filler hole.
F
Rotate the differential center 2 full turns.
F
Check the oil level and add oil if necessary.
F
Apply thread sealant to filler plug before inserting.
F
Replace the filler plug.
F
Clean the differential housing of any oil or grease that may collect
dirt or other abrasive particles.