AB62 Work Platform - European
3-9
M
AINTENANCE
Section
3.8
3.8 H
YDRAULIC
M
ANIFOLD
(F
IGURE
3-14)
It is not necessary to remove the manifold to perform
all maintenance procedures. Prior to performing
maintenance, determine if the manifold needs to be
removed.
Removal
1. Disconnect the battery.
2. Tag and disconnect the solenoid valve leads from
the terminal strip.
3. Tag, disconnect, and plug hydraulic hoses.
4. Remove the bolts that hold the manifold to the
mounting bracket.
5. Remove the manifold block.
Disassembly
NOTE: Mark all components as they are removed
so as not to confuse their location during
assembly. Refer to Figure 3-14 often to aid in
disassembly and assembly.
1. Remove coils from solenoid valves.
2. Remove spool valve cover and spool valve.
3. Remove solenoid valves, lift relief valve, counter-
balance valves and divider combiner valve.
4. Remove fittings, plugs, springs, balls, and ori-
fices.
Cleaning and Inspection
1. Wash the manifold in cleaning solvent to remove
built-up contaminants, then blow out all passages
with clean compressed air.
2. Inspect the manifold for cracks, thread damage
and scoring where O-rings seal against internal
and external surfaces.
3. Wash and dry each component and check for
thread damage, torn or cracked O-rings, and
proper operation.
4. Replace parts and O-rings found unserviceable.
Assembly
NOTE: Lubricate all O-rings before installation to
prevent damage to O-rings. Seat all balls in
manifold block by lightly tapping on the ball
with a brass drift punch.
1. Install fittings, plugs, springs, balls, and orifices.
Use one drop of Locktite #242 on each screw-in
orifice.
2. Install solenoid valves, lift relief valve, counterbal-
ance valves, divider combiner valve, and spool
valve.
Installation
1. Attach manifold assembly to mounting plate with
bolts.
2. Connect solenoid leads to terminal strip (as previ-
ously tagged).
3. Connect hydraulic hoses. Be certain to tighten
hoses to manifold.
4. Reconnect the battery.
5. Operate each hydraulic function and check for
proper operation and leaks.
6. Adjust lift relief and counterbalance valve pres-
sures according to instructions in Section 3-10.
Содержание ab62
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Страница 4: ...ii AB62 Work Platform European FOREWORD NOTES ...
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Страница 61: ...AB62 Work Platform European 5 5 SCHEMATICS Section 5 1 Notes ...
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Страница 81: ...Page 6 11 Illustrated Parts Breakdown Front Axle Assembly AB62 Work Platform European ...
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Страница 107: ...Page 6 37 Illustrated Parts Breakdown Lower Controller Assembly AB62 Diesel AB62 Work Platform European Drawing 3 of 3 ...
Страница 111: ...Page 6 41 Illustrated Parts Breakdown Control Module Assembly AB62 Work Platform European ...
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