5 - 40
Genie Z-45/22
Part No. 29487
Service Manual - First Edition
Section 5 - Troubleshooting Flow Charts
yes
no
less than 2000 PSI
less than 2000 PSI
Remove both hydraulic
hoses from the manifold
(ports PL1 & PL2). Plug
the hoses and cap the
manifold fittings. Operate
primary boom up
function and check if
platform levels?
Chart 25
All Platform
Leveling
Functions
Inoperative
Be sure all other
functions operate
normally.
Be sure both automatic
and manual platform
leveling do not
operate.
If automatic leveling
operates but manual
leveling does not,
troubleshoot
Platform
Leveling Up Function
Inoperative.
Replace the
counterbalance valves in
the sandwich block
(items Z & AZ).
Plumb a pressure gauge
into the barrel-end
hydraulic hose using a
tee fitting, Operate
primary boom up
function and read the
pressure.
Deadhead the pressure
gauge into the barrel-end
hydraulic hose from the
master cylinder and raise
the primary boom one
inch at a time.
Continually monitor the
pressure gauge during
boom up. Do not allow
the pressure to exceed
2500 PSI.
Repair or replace the
master cylinder.
Repair or replace the
slave cylinder.
2000 PSI or more
Check for mechanical
restrictions OR replace
the slave cylinder
counterbalance valves.
2000 PSI
Содержание Z-45/22
Страница 1: ...Technical Publications First Edition Part No 29487 Service Manual Z 45 22 ...
Страница 65: ...Part No 29487 Genie Z 45 22 4 39 Service Manual First Edition Section 4 Scheduled Maintenance Procedures ...
Страница 66: ...4 40 Genie Z 45 22 Part No 29487 Service Manual First Edition Section 4 Scheduled Maintenance Procedures ...
Страница 121: ...6 3 ...
Страница 122: ......
Страница 123: ...6 5 ...
Страница 124: ...6 6 ...
Страница 125: ...6 7 ...
Страница 126: ...6 8 ...
Страница 127: ......
Страница 128: ...6 10 ...
Страница 129: ...6 11 ...
Страница 130: ...6 12 ...
Страница 132: ...Z45 22 Hyd Index ...
Страница 133: ...Z45 22 Hyd Index ...
Страница 134: ...Z45 22 Hyd Index ...
Страница 135: ...Z45 22 Hyd Index ...
Страница 136: ...Z45 22 Hyd Index ...
Страница 137: ...Z45 22 Hyd Index ...