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Roller
Figure 8.15 – Front of Chassis
2. Raise the platform from the lower controls and visu-
ally inspect the slide blocks underneath the front of
the platform (refer to Figure 8.16). There is one slide
block on each side of the platform. The slide blocks
must be in good condition and free to move without
obstruction.
Slide Block
Figure 8.16 – Underneath Front of Platform
Fasteners
To inspect the fasteners:
1. Visually inspect all fasteners to see that none are
missing or loose.
2. Inspect all of the bolts, nuts, rollpins, collars, and
snap rings. They should all be present, tight, and not
damaged in any way.
Upper Control Station
Inspect the platform and upper controls only if all functions
operated properly from the lower controls.
Guardrail System
The guardrail system includes (refer to Figure 8.17):
A top rail
y
A mid rail
y
S3215L/S3215E/S3219E/S3220E/S3226E/S4726E/S4732E – 1500834
Slide Block
Chapter 8 – Prestart Inspection
Saloon style entry doors
y
Toeboards around the sides of the platform.
y
Top Rail
Entry Doors
Mid Rail
Toeboard
Figure 8.17 – Upper Controls
To inspect the guardrail system:
1. Visually inspect all components of the guardrail
system. Make sure the rails and toeboards are all in
place and free of any damage or deformation.
2. Visually check the rail and toeboard welds for
cracks.
3. Visually check all bolts and nuts fastening the platform
and guardrails in place. They must be present and
not show any signs of looseness.
4. Inspect the entry doors to see that they swing freely
and are not deformed in any way. Make sure the
doors are secure when they are closed.
Platform Extension
Latch handles on each side of the extension deck secures
the extension deck to the main platform deck.
Caution
The extension deck is free to move when the extension
handle locks are disengaged. Personal injury may
result from accidentally extending or retracting the
deck. Make certain both extension handle locks are
fully engaged when the deck is extended in the work-
ing position and when it is stowed. Do not attempt to
extend or retract the platform unless the aerial platform
is on a level surface.
To inspect the platform extension:
1. Inspect the extension handles and locks (refer to
Figure 8.18) on each side of the platform to ensure
they release to extend the platform.
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