Upright NX15 Service & Parts Manual

Page 4-2
Troubleshooting 4.2 - Troubleshooting
MX15/19
4.2 T
ROUBLESHOOTING
1.
Verify your problem
. Do a full function test from both platform controls 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 component on the table are the same as the com-
ponent’s designation on the schematics.
3.
Identify the problem component
. Test components that are common to all circuits that are
not functioning correctly. Remember to check wires and terminals between suspect compo-
nents. Be sure to check connections to battery negative.
4.
Repair or replace component found to be faulty
.
5.
Verify that repair is complete
. Do a full function test from both the platform and chassis con-
trols to verify that all functions are operating correctly and that the machine is performing
according to specifications.
S
PECIAL
T
OOLS
Following is a list of tools which may be required to perform certain maintenance procedures on
the MX15/19.
• Flow Meter with Pressure Gauge
(UpRight P/N 067040-000)
• 0-1000 psi (0-69 bar) Hydraulic Pressure Gauge with Adapter Fittings (UpRight P/N 014124-
010)
• 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.
NOTE:Correct pressure settings are listed in the hydraulic
schematic.
C
HECKING
P
UMP
P
RESSURES
Remove hose from pump port and connect pressure
tester.
Te s t Po r t
060569-004

Upright NX15 Specifications

General

Brand	Upright
Model	NX15
Category	Lifting Systems
Language	English