Koyker KB660 Owner's Manual page 19

BACKHOE INSPECTION, SERVICE, AND MAINTENANCE
Hydraulic Pump System (Optional)
Check the fluid level in reservoir before operating daily. Change oil and filter after first 20 hours of
operation and then every 200 hours after or annually , which ever is first. In extremely dry or dirty
conditions, more frequent servicing may be necessary. Contamination will shorten the life of hy-
draulic components.
OIL SPECIFICATIONS AND CAPACITYS
Fill reservoir with new hydraulic fluid only. Do not mix oil types or grades.
Engage PTO pump and run at idle for 5 minutes. Check fluid level and add as necessary.
Gear Box ....................................................... 1 Pint
Hydraulic Tank ............................................. 4 Gallons
Cylinders and Hydraulic lines ....................... 2 Gallons
NOTE: The Backhoe is shipped from the factory with oil in the cylinders, hydraulic lines and Hydraulic
Tank (if equipped). If there is a need to add oil, use Mobil 424 hydraulic fluid or equivalent only.
IMPORTANT
80-90W
Recommended Oils and Temperature Ranges.
Do not exceed 180º F.
Do not mix oil types or grades.
SAE Hydraulic ....................... All Temperatures
Transmission Fluid
Type "A" or "F" ATF ............... All Temperatures
SAE 30-30W ............... .......... 90º F and Above
SAE 20-20W ............... .......... 35º - 90º F
ASAE 10-10W ............... ........ 35º F and Below
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