SECTION 9
HYDRAULIC SYSTEM
Dec 2002
Page 9-8
05114640
Note: Additional clearance and access to the motor and pump splines can be had by
pushing the pump assembly to the right. The main pump suction hose will limit
movement to approximately 1-inch. It should not be necessary to disconnect
any hydraulic hoses for this procedure.
Note: If additional clearance is required to separate motor and pump, unbolt electrical
panel from the pump frame (SL-IV/30/50/100hp). Remove 4 ea ½-in. nuts
from studs holding electrical panel to end of frame. Move electrical panel 4-8
inches away from frame. Disconnecting of motor lead wires should not be
necessary to perform this procedure. Note that wire ties holding the electrical
control harness to the top pan should be removed to allow the electrical control
panel.
6 Wipe residue from motor internal spline and from male pump splines. Avoid
damage to shaft seal on hydraulic pump.
7 Inspect splines for unusual wear. Consult with KMT Waterjet Service if spline
wear appears beyond limits.
8 Note presence of hydraulic oil or evidence of hydraulic leak in shaft cavity. If
hydraulic leak is indicated, replace shaft seal.
9 Lubricate internal and male spline wear surfaces with Optimal grease. Cover
mating spline surfaces sufficient to assure all metal- to- metal contact surfaces
are lubricated.
10 Move motor and pump assembly together to re-engage splines. Install hex head
cap screws through holes/slots in pump flange into motor face.
11 Reinstall motor mount socket head cap screws (4 ea).
12 Reinstall electrical panel to end of frame (if applicable).
13 Start motor, apply full HP water pressure, noting any unusual sounds from
motor / pump assembly.
14 (Spline lube procedure complete)
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