Mec Speed Level 2684 ES, Руководство по обслуживанию и запасным частям

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“3084 Speed Level™ Sigma Lift” Service and Parts Manual October 2009
Page 1-11
H
Y D R A U L I C
M
A N I F O L D
H
YDRAULIC
M
ANIFOLD
NOTE: Refer to Parts Section E .
Tag all components as they are removed to aid in reassembly.
H
YDRAULIC
M
ANIFOLD
R
EMOVAL
1. Disconnect the negative battery terminal.
2. Tag and disconnect the solenoid valve leads.
3. Tag and disconnect hydraulic hoses, and IMMEDIATELY cap the openings to prevent
contamination.
4. Remove the bolts that hold the manifold to the mounting bracket.
5. Remove the manifold block.
D
ISASSEMBLY
1. Remove coils from solenoid valves.
2. Mark and remove valves.
3. Mark and remove fittings, plugs, springs, balls, and orifices.
C
LEANING AND
I
NSPECTION
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 defective parts and O-rings.
A
SSEMBLY
NOTE: Lubricate all O-rings before installation to prevent damage to the O-ring. Seat 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 Loctite #424 or
equivalent thread locker on each screw-in orifice.
2. Install valves.
I
NSTALLATION
1. Attach manifold assembly to mounting plate with mounting bolts.
2. Connect solenoid leads (as previously tagged).
3. Connect hydraulic hoses (as previously tagged). Be certain to tighten hoses.
4. Connect the battery.
5. Operate each hydraulic function and check for proper operation and leaks.
6. Adjust valve pressures.