Page 4-2
Troubleshooting
4.2 - Troubleshooting
X Series Work Platform
4.2 T
ROUBLESHOOTING
1. Verify your problem.
• Do a full function test from both the platform and chassis controls, and note all functions that
are not operating correctly.
2. Narrow the possible causes of the malfunction.
• Use the troubleshooting guide to determine which components are common to all circuits
that are not functioning correctly. To aid in troubleshooting, the letters following the compo-
nent on the table are the same as the component’s designation on the schematics.
3. Identify the problem component.
• Test components that are common to all circuits that are not functioning correctly. Remem-
ber to check wires and terminals between suspect components. Be sure to check connec-
tions to battery negative.
4. Repair or replace any component found to be faulty.
5. Verify that repair is complete.
• Do a full function test from both the platform and chassis controls to verify that all functions
are operating correctly and that the machine is performing to specified values.
S
PECIAL
T
OOLS
Following is a list of tools which may be required to perform certain maintenance procedures on
the X Series Work Platforms.
• Flow Meter with Pressure Gauge
(UpRight P/N 067040-000)
•
0-69 bar (
0-1000 psi
(0-69 bar
) Hydraulic Pressure Gauge with Adapter Fittings (UpRight P/
N 014124-010)
•
0-207 bar (
0-3000 psi
(0-207 bar
) Hydraulic Pressure Gauge with Adapter Fittings (UpRight
P/N 014124-030)
• Adapter Fitting (UpRight P/N 063965-002)
• Inclinometer (UpRight P/N 010119-000)
• Crimping Tool (UpRight P/N 028800-009)
• Terminal Removal Tool
(UpRight P/N 028800-006)
A
DJUSTMENT
P
ROCEDURES
Figure 4-1: Hydraulic Test Port
Hydraulic settings must be checked whenever a com-
ponent is repaired or replaced.
Remove counterbalance valves and "bench test" them
if they are suspect.
Connect a pressure gauge of appropriate range to the
test port located on the hydraulic manifold.
Correct pressure settings are listed in the hydraulic
schematic.
C
HECKING
P
UMP
P
RESSURES
Remove hose from pump port and connect pressure tester.
Test Port
060571-005
Содержание X Series
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