Hino 600, Workshop Manual, Page: 375 / 451

SERVICE BRAKE (FULL AIR BRAKE) BR02–97
(28) As you turn the adjusting nut in the direction shown in figure, read the
torque scale and rotate the gear 360 degrees (22 turns of the
wrench).
(29) The torque value must remain less than 25 lb-in (2.83 N

m) during the
complete 360-degree rotation of the gear.
(30) If the torque value remains less than 25 lb-in (2.8 N

m): The slack
adjuster is working correctly.
(31) If the torque value exceeds 25 lb-in (2.8 N

m): The slack adjuster is
not working correctly.
Disassemble the slack adjuster.
•
Check that the slack adjuster is assembled correctly.
•
Check that parts are aligned correctly.
22 TURNS
ROTATE GEAR 360 º
SHTS068020200108