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Axles
6. Adjust the oscillating cylinder position until
there is continuous contact between the cylinder
mounting surface and the mounting plate, and
between the mounting plate and the cylinder
shoulder, with no gaps. Torque the bolts to 80
ft-lbs [108 Nm].
7. Apply a line of torque seal to each bolt extending
from the bolt head over the washer and to the
chassis wall.
SJ82 T, SJ86 T
8. Reinstall the cylinder fittings, torquing the larger
one to 24 ft-lbs [33 Nm] and the smaller one to
15 ft-lbs [20 Nm].
9. Remove the plugs and reconnect the hoses to
the cylinder fittings, torquing the larger hose end
to 21 ft-lbs [28 Nm] and the smaller hose end to
12 ft-lbs [16 Nm].
10. Reinstall the base cover and remove the block of
wood.
11. Turn the engine on and let it run for a few
minutes to pressurize the cylinder, then turn it off
again.
12. Check the oil level using the hydraulic tank sight
gauge. Add more hydraulic oil if needed.
13. Bleed the cylinder (refer to the next procedure).
No gaps
5.9-9 Bleed the Oscillating Axle Cylinders
If the axle oscillation system is not operating properly,
the stability of the aerial platform is compromised and
it may tip over.
Items you will need before starting:
oil container
▪
hose (to reach from bleeders to bucket)
▪
1. Locate a bleeder on either side of the oscillating
axle cylinder.
2. Connect a hose to the bleeder nipple.
3. Start the engine and slowly open the bleeder to
allow the oil to flow in a continuous stream.
4. Close the bleeder.
5. Repeat the procedure with the other oscillating
axle cylinder.
Section 5 – Procedures
229040ABA
255
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