Hydraulic Lines And Electrical Wiring; Hydraulic System; Lubrication; Battery - JLG 1932RS/6RS Service And Maintenance Manual

SECTION 2 - GENERAL

Hydraulic Lines and Electrical Wiring

Clearly mark or tag hydraulic lines and electrical wiring, as well
as their receptacles, when disconnecting or removing them
from the unit. This will assure that they are correctly rein-
stalled.

Hydraulic System

1. Keep the system clean. If evidence of metal or rubber
particles are found in the hydraulic system, drain and
flush the entire system.
2. Disassemble and reassemble parts on a clean work sur-
face. Clean all metal parts with non-flammable cleaning
solvent. Lubricate components, as required, to aid
assembly.

Lubrication

Service applicable components with the amount, type, and
grade of lubricant recommended in this manual, at the speci-
fied intervals. When recommended lubricants are not avail-
able, consult your local supplier for an equivalent that meets
or exceeds the specifications listed.

Battery

Clean battery, using a non-metallic brush and a solution of
baking soda and water. Rinse with clean water. After cleaning,
thoroughly dry battery and coat terminals with an anti corro-
sion compound.
2-6
2.4

LUBRICATION AND INFORMATION

Hydraulic System

1. The primary enemy of a hydraulic system is contamina-
tion. Contaminants enter the system by various means,
e.g., using inadequate hydraulic oil, allowing moisture,
grease, filings, sealing components, sand, etc., to enter
when performing maintenance, or by permitting the
pump to cavitate due to insufficient quantity of oil in
supply tube.
2. The design and manufacturing tolerances of the compo-
nent working parts are very close, therefore, even the
smallest amount of dirt or foreign matter entering a sys-
tem can cause wear or damage to the components and
generally results in faulty operation. Every precaution
must be taken to keep hydraulic oil clean, including
reserve oil in storage. Hydraulic system filters should be
checked, cleaned, and/or replaced as necessary, at the
specified intervals required. Always examine filters for
evidence of metal particles.
3. Cloudy oils indicate a high moisture content which per-
mits organic growth, resulting in oxidation or corrosion.
If this condition occurs, the system must be drained,
flushed, and refilled with clean oil.
4. It is not advisable to mix oils of different brands or types,
as they may not contain the same required additives or
be of comparable viscosities. Good grade mineral oils,
with viscosities suited to the ambient temperatures in
which the machine is operating, are recommended for
use.
NOTE: Metal particles may appear in the oil or filters of new
machines due to the wear-in of meshing components.

Hydraulic Oil

1. Refer to Section 1 for recommendations for viscosity
ranges.
2. JLG recommends DTE10 or Excel 15 hydraulic oil, which
has an SAE viscosity of 10W-30 and a viscosity index of
152.
NOTE: Start-up of hydraulic system with oil temperatures below -
15°F (-26°C) is not recommended. If it is necessary to start
the system in a sub-zero environment, it will be necessary
to heat the oil with a low density, electrical heater to a min-
imum temperature of -15°F (-26°C).
3121273