ORKEL MC850 - Hydraulic Pump, Gearbox; Heat Exchanger; Oil Change and Oil Filter

7.12.3 Hydraulic pump, gearbox
Check the input shaft and its splines. Check the bolts holding the gearbox, and retighten if necessary. Check
the oil level in gearbox, with the dipstick.
Figure 7.29 : Dipstick with max and min level indicators
Figure 7.30 : Gear box and hydraulic pump
The oil level must be between max and min on the level indicator. Top up if necessary.
The gear oil must be changed minimum once a year, or when needed. See approved lubricants in section
8.6.4 "Gearbox and gears for hydraulic motors"
NOTE: When changing gear oil, the magnet plug must be cleaned. Inspect the amount of metal shavings on the
magnetic plug. If there’s a lot of shavings present, it’s indicating excessive wear in the gear box.
7.12.4 Heat exchanger
Perform daily inspections of the cooling element on the heat exchanger. Look for dirt and other unwanted
contamination. Clean if necessary.
7.13 OIL CHANGE AND OIL FILTER
Hydraulic oil is injurious to your health. Avoid contaminating bare skin. Avoid inhaling oil mist or
vapor. Take environmental considerations, collect the old oil and recycle.
7 MAINTENANCE AND MECHANICAL ADJUSTMENTS 72