Chapter 7 – Prestart Inspection
SL30SL – 8210037 23
3. Make sure the cables and wires are properly routed
to avoid sharp edges, pinching, and scufng.
Hydraulic System
Hydraulic power is supplied from an engine driven gear
pump mounted on the engine.
Danger
Hydraulic uid escaping under pressure can have
enough force to inject uid into the esh. Serious
infection or reaction will result if medical treatment is
not given immediately. In case of injury by escaping
hydraulic uid, seek medical attention at once.
The hydraulic reservoir is behind the door on the right side
of the chassis. The pump is mounted on the engine.
Fluid Level
To inspect the uid level:
1. Place the aerial platform on a level surface with the
platform fully stowed.
2. Open the doors on the left side of the chassis to ac-
cess the hydraulic uid level gauge (refer to Figure
7.6).
Figure 7.6 – Hydraulic Fluid Gauge
3. Make sure the uid level is between the minimum
and maximum lines.
Caution
Not all hydraulic uid is suitable to use in the hydrau-
lic system. Some have poor lubricating character-
istics and may increase component wear. Only use
hydraulic uid as recommended.
4. If necessary, remove the ller cap and add uid of
the proper type. Replace the cap making sure it is
tightly in place.
Hydraulic Fluid
Gauge
Full
Add
Figure 7.5 – Battery
Warning
Batteries give off hydrogen and oxygen that can com-
bine explosively. Death or serious injury could result
from a chemical explosion. Do not smoke or permit
open ames or sparks when checking the batteries.
Caution
Even with low voltage electrical systems, severe arc-
ing can occur. Electrical shock or component damage
may result from contact with energized conductors.
Use caution when working with any electrical device.
The battery is automatically charged when the engine is
running. Include the battery when inspecting and servicing
the electrical system.
For optimal battery performance the battery connections
must be kept clean.
Battery Terminals
To inspect the battery terminals:
1. Check the top of the battery, the terminals, and cable
ends (refer to Figure 7.5). They should be clean and
free of corrosion.
2. If necessary, clean the top of the battery. Clean the
terminals and cable ends with a wire brush or terminal
cleaning tool.
3. Make sure all cable ends are securely fastened to
the terminals.
Cables and Wiring Harness
To inspect the cables and wiring harness:
1. Visually inspect all cables and wiring for wear and/or
physical damage such as loose connections, broken
wires, and frayed insulation.
2. Check the wiring in areas where a change in routing
direction may cause them to become pinched.
Terminals
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