Specifications

7500 SERVICING HYDRAULICS
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REPLACING ROD ENDS
• Should a rod end need replacing, loosen
through bolt clamping rod end to cylinder
rod and unscrew rod end.
• Reverse process to install new rod end.
Tighten through bolt and use new cotter
pins, and cylinder pins.
REPLACING BUSHINGS
• Hardened bushings have been incorporated
into the machine to protect the main frame
from wear and damage.
• Should a bushing need replacing, disconnect
rod end from main frame and swing cylinder
out of the way.
• Position new bushing directly above old
bushing and gently tap new bushing down
into position, displacing old bushing in the
process.
• Swing cylinder back into position. Re-
install rod end to main frame, using new pin
assemblies.
REPLACING HYDRAULIC PUMP
• Engine must be shut off.
• Remove key & disconnect battery cable.
• Make sure that hydraulic oil is cool and that
pressure is relieved from the lines.
• Disconnect hydraulic lines from pump and
cap them.
• Remove bolts holding pump to engine.
• Replace pump and tighten bolts.
• Recheck oil supply in reservoir.
REPLACING HYDRAULIC HOSES
• It is not necessary to drain the hydraulic
system to replace hoses.
• Loosen fitting and drain oil into suitable
container for disposal. Remove old hose
and replace with new one.
• Tighten fittings.
• Check for adequate supply of oil in tank
before operating machine.