Barko Hydraulics 595ML, Service Manual

Page: 70 / 89

page 70 595 ML CRL (S)
800-00177
Figure 2
3. Remove pump drive from engine by removing capscrews, holding engine adaptor housing to flywheel
cover of engine. Remove pump drive straight away from engine.
a. Flex plate driven models:
The drive shaft will remain with either the drive plate or the pump drive box. Be prepared to
retrieve drive shaft from either.
4. Pump drive gear box should be positioned so that the hydraulic pump adaptor pads are facing up. Re-
move place bolts or nuts from studs and lift adaptor pads up from gear box.
5. Lift driven gears and their bearings from pump drive box. This can be done by hand since the bearings
are slip fitted to the housing and pump adaptor bores. Bearings are press fitted to gear hubs. It may be
necessary to tip gear slightly to clear pinion gear bearing pocket.
6. After all driven gears and their bearings have been removed, position gear box so that the engine adaptor
is facing up. Remove place bolts and lift engine adaptor up from gear box. Lift pinion gear and bearings
from pump drive box.
7. Should replacement of oil seal be required, drive oil seal toward engine side of engine adaptor.
1. ENGINE
2. FLYWHEEL COVER
3. ENGINE ADAPTOR
4. PUMP DRIVE
5. HYDRAULIC PUMPS
6. Clean all magnetic drain plugs before replacing.
7. Always use clean fluid in clean containers.
8. Do not overfill. This will result in overheating and possible malfunction of the unit.
9. Fill with EP 80-90 gear fluid (until fluid comes back out of the fill hole). Do not overfill!
10. Maximum operating fluid temperature: 225 degrees F. (107.2 degrees C.)
PUMP DRIVE DISASSEMBLY
1. Drain fluid from pump drive gear box by removing Allen head pipe plug from bottom of main case.
2. Remove hydraulic pumps by removing capscrews, or nuts from studs. See Figure 2. Remove pumps
straight away from pump drive.
FILL HOLE
PUMP DRIVE MAINTENANCE CONTINUED...