SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-136
– JLG Lift –
3121262
sembly. Make sure 0-rings are completely seated in their
grooves.
Withdraw pinion shaft and inspect gear teeth and bearing sur-
faces for abnormal wear.
When reassembling, make sure chamfer (on outer edge of
driven gear and drive gear) is installed into housing per illus-
tration.
Torque value for bolts when replacing charge pump.
NOTE:
If serious wear or damage has occurred to one component,
the complete charge pump assembly must be replaced
because they are matched components.
Routine Maintenance
The Variable Displacement Hydrostatic Transmission Pumps
are relatively maintenance free. Maintenance work is confined
to the system, by way of maintaining hydraulic fluid condition,
the "life blood" of the machine. Oil monitoring, changes and
filter renewal promote system cleanliness. This will prevent
premature breakdown and repairs. Under normal application
conditions, the following maintenance intervals are sug-
gested:
1.
Renewal of Filter Elements
a.
After commissioning or re-build.
b.
At every 500 operating hours or when filter indica-
tor shows a dirty element.
c.
With the suction strainer, the strainer should be
renewed as soon as charge pump inlet pressure is
less than -3.2 psi, 6.3"Hg or 0.8 bar absolute.
d.
Only JLG recommended filter elements are to be
used. Paper elements cannot be cleaned; use throw-
away cartridges.
2.
Hydraulic Fluid Change
a.
After 2000 operating hours (1
st
oil change)
b.
Thereafter, every 2000 operating hours or annually,
irrespective of operating hours achieved.
c.
Oil change should be performed with the system in
warm running condition. Before re-filling, the reser-
voir interior should be inspected and cleaned to
remove any sludge.
d.
Rags or threaded material must not be used.
e.
This machine has been designed & manufactured to
operate on an Exxon-Mobil Oil Co. hydraulic fluid,
Mobilfluid #424, Product #52233-4. Consult JLG
Industries prior to introducing any other type of
fluid to prevent interaction or possible contamina-
tion.
f.
The recommended interval between oil changes is
based on various factors and should be carried out
according to the degree of aging, contamination
and water content.
Pump Size
Torque
28
18 ft.lb. (24 Nm)
Содержание JLG 1500SJ
Страница 1: ...Service and Maintenance Manual Model 1500SJ P N 3121262 March 7 2016...
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Страница 40: ...SECTION 1 SPECIFICATIONS 1 16 JLG Lift 3121262 NOTES...
Страница 56: ...SECTION 3 CHASSIS TURNTABLE 3 6 JLG Lift 3121262 Figure 3 5 Chassis Component Location Sheet 1 of 2...
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Страница 102: ...SECTION 3 CHASSIS TURNTABLE 3 52 JLG Lift 3121262 Figure 3 32 Reggiana Riduttori Hub Sheet 1 of 2...
Страница 147: ...SECTION 3 CHASSIS TURNTABLE 3121262 JLG Lift 3 97 Figure 3 53 Swing Bearing Tolerance Boom Placement Sheet 1 of 2...
Страница 148: ...SECTION 3 CHASSIS TURNTABLE 3 98 JLG Lift 3121262 Figure 3 54 Swing Bearing Tolerance Boom Placement Sheet 2 of 2...
Страница 151: ...SECTION 3 CHASSIS TURNTABLE 3121262 JLG Lift 3 101 Figure 3 56 Swing Bearing Removal Sheet 1 of 4...
Страница 181: ...SECTION 3 CHASSIS TURNTABLE 3121262 JLG Lift 3 131 Figure 3 67 Deutz EMR 2 Vehicle Side Connection Diagram...
Страница 182: ...SECTION 3 CHASSIS TURNTABLE 3 132 JLG Lift 3121262 Figure 3 68 Deutz EMR 2 Engine Side Connection Diagram Sheet 1 of 2...
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Страница 184: ...SECTION 3 CHASSIS TURNTABLE 3 134 JLG Lift 3121262 Figure 3 70 EMR 2 Engine Plug Pin Identification...
Страница 185: ...SECTION 3 CHASSIS TURNTABLE 3121262 JLG Lift 3 135 Figure 3 71 EMR 2 Vehicle Plug Pin Identification...
Страница 186: ...SECTION 3 CHASSIS TURNTABLE 3 136 JLG Lift 3121262 Figure 3 72 EMR2 Fault Codes Sheet 1 of 5...
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Страница 273: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 25 Figure 4 6 Boom Assembly Sheet 7 of 7...
Страница 299: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 51 Figure 4 12 Load Pin Removal Tool JLG P N 4846765...
Страница 305: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 57 Figure 4 14 Jib Assembly Sheet 2 of 3...
Страница 318: ...SECTION 4 BOOM PLATFORM 4 70 JLG Lift 3121262 Figure 4 18 Powertrack Hosing Sheet 2 of 3...
Страница 319: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 71 Figure 4 19 Powertrack Hosing Sheet 3 of 3...
Страница 332: ...SECTION 4 BOOM PLATFORM 4 84 JLG Lift 3121262 Figure 4 22 Outer Mid Boom Extend Retract Cables...
Страница 333: ...SECTION 4 BOOM PLATFORM 3121262 JLG Lift 4 85 Figure 4 23 Fly Boom Extend Retract Cables...
Страница 350: ...SECTION 4 BOOM PLATFORM 4 102 JLG Lift 3121262 Figure 4 29 Rotator Counterbalance Valve...
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Страница 536: ...SECTION 6 JLG CONTROL SYSTEM 6 20 JLG Lift 3121262 Figure 6 2 Control System Block Diagram...
Страница 545: ...SECTION 6 JLG CONTROL SYSTEM 3121262 JLG Lift 6 29 Figure 6 10 Control Module Location...
Страница 561: ...SECTION 6 JLG CONTROL SYSTEM 3121262 JLG Lift 6 45 Figure 6 19 System Test Flow Chart Platform Tests...
Страница 563: ...SECTION 6 JLG CONTROL SYSTEM 3121262 JLG Lift 6 47 Figure 6 20 System Test Flow Chart Ground Station Tests...
Страница 654: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 10 JLG Lift 3121262 Figure 7 13 Connector Installation...
Страница 657: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 3121262 JLG Lift 7 13 Figure 7 20 Jib Electrical Components...
Страница 678: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 34 JLG Lift 3121262 Figure 7 41 Pump Harness...
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