Smithco Sand Star Zee 45-501-A, Parts & Service, Page: 10 / 69

8
Ser
vice
MAINTENANCE
HYDRAULIC OIL
1� Use Parker Dura Clean Hydraulic Oil or equivalent of AW32 minimum hydraulic oil�
2� For proper warranty, change oil every 250 hours of use�
3� The oil level in reservoir should be
1-3" from the bottom of the dipstick when fluid is cold. Do not over -
fill.
4. After changing oil and/or filter, run the machine for a few minutes. Check oil level and check for leaks.
5. Always use caution when filling hydraulic oil tank or checking level to keep system free of contaminants.
Check and service more frequently when operating in extremely cold, hot or dusty conditions�
6. If natural color of fluid is black or smells burnt, it is possible that an overheating problem exists.
7. If fluid becomes milky, water contamination may be a problem.
8. If either of the above conditions happen, change oil and filter immediately after fluid is cool and find
cause� Take fluid level readings when system is cold.
9� Oil being added to the system must be the same as what is already in the tank� Mark tank fill area as to
which type you put in�
WHEEL MOUNTING PROCEDURE
1� Turn machine off and remove key�
2� Block one of the other wheels�
3� Loosen nuts slightly on wheel to be removed�
4. Jack up machine being careful not to damage underside of machine.
5� Remove nuts� Remove wheel�
5� Place new wheel on hub lining up bolt holes�
6. Torque nuts to 64-74 ft/lb (87-100 Nm) using a cross pattern. Re-torque after first 8 hours and every 250
hours thereafter�
7� Lower machine to ground and remove blocks and jack�