Telescopic Boom Series
Models SJ61T & SJ66T
194312
December 2007 Page 19
Section 1 - Scheduled Maintenance Scheduled Maintenance Inspections
• Wheel/Tire Assembly (B,C)
- The aerial platform is either equipped
with air tires or foam-filled tires. Tire
and/or wheel failure could result in an
aerial platform tip over. Component
damage may also result if problems are
not discovered and repaired in a timely
fashion.
WARNING
An over-inated tire can explode and
may cause death or serious injury.
- Check all tire treads and sidewalls for
cuts, cracks, punctures and unusual
wear.
- Check each wheel for damage and
cracked welds.
- Check each lug nut for proper torque to
ensure none are loose.
B - Frequent Inspection
- For proper torque information, refer
to Table 2.2 Aerial Platform Torque
Specications.
To maximize stability, it is essential to maintain
proper pressure in all air-lled tires.
- Check each tire with an air pressure
gauge and add air as needed.
WARNING
Intermixing tires of different types or
using tires of types other than those
originally supplied with this equipment
can adversely affect atability. There-
fore, replace tires ONLY with exact
Skyjack-approved types. Failure to
operate with matched, approved tires
in good condition may result in death
or serious injury.
Refer to Table 2.8 Tire Specications.
• Brake Cylinder (B)
- Ensure there are no loose or missing
parts.
Ensure that all ttings and hoses are properly
tightened and there is no evidence of hydraulic
leakage.
Wheel/Tire
Assembly
Tie Rod
Steer Cylinder
Assembly
Oscillating Cylin-
der Assembly
Turret Rotation
Gear
Rotary Manifold
Limit Switch
Drive Axle
Overhead View
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