Page 220 December 2007
Telescopic Boom Series
Models SJ61T & SJ66T
194312
Section 5 - ProceduresService and Maintenance
5.9-3 Check Oil Level in Axle Gearbox
1. Remove plug 1 from gear box.
2. Check oil level. Oil level should be even with
the bottom of plug hole 1. Add oil if needed.
(Refer to Section 2 for specications).
1
Gearbox
5.9-4 Change Oil in Axle Gearbox
1. Ensure aerial platform is on a firm level
surface and is in stowed position.
2. Turn main power disconnect switch to off
position.
3. Place suitable container under the gearbox.
4. Remove ll plug.
5. Remove drain plug to allow oil to drain into
container.
Gearbox
Drain Port
Fill/Check Port
6. Reinstall drain plug.
NOTE
Gearbox is lled when oil is leaking from
the check port.
7. Refill gearbox with new oil as per
specications. (Refer to Section 2 of this
manual)
8. Reinstall ll/check plug.
5.9-5 Bleeding 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 lines (to reach from bleeders to bucket)
• 10" high ramp
1. Locate bleeders on either side of the axle
cylinder.
3. Start bleeding from one side of the aerial
platform that will be driven up the ramp.
4. Hook up hose line to top bleeder and keep
bottom bleeder capped.
5. Ensure bleeder hose drains oil into container
when aerial platform is driving.
6. Drive aerial platform up and down the ramp
until only a continuous stream of uid is
being released from the bleeders.
7. Repeat step 6 with the otherside.
8. Ensure bleeders are capped.
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