Hydraulic System Maintenance - L.T. Rich Products Snowrator Zx4 Owner's Manual

3.2

Hydraulic System Maintenance

Hydro-Gear recommends that the fluid and filter(s) be changed every 500 hours. Use any
type of motor oil in a 5W-40 Synthetic or equivalent.
Hydraulic system requires 25 micron hydraulic filters (part # 80404) or equivalent to be
used.
Check for hydraulic leaks daily to ensure proper fluid levels.
**Remove line(s) coming from the filters (at hydro pump end) to drain fluids**
After draining fluids, re-install hydraulic lines and tighten. Remove Hydraulic Filter and
replace with part # 80404 or equivalent. Tighten down and mark the hours the unit
currently has on the filter (with permanent marker). Remove Hydraulic Tank cap and fill
rd
to mark (approximately 2/3 to the top of tank) and re-install Tank Cap. Lift the unit
completely (all 4 wheels) off the ground so that you can run the tires in the forward and
reverse positions without the unit moving to bleed any air from the lines. Turn the unit on
and slowly run the rear wheels forward and then backward (repeating this process a few
times). This will purge any unwanted and unneeded air out of the system.
(unit wheels off the ground)
Turn off the unit and bring the unit back down to the ground. Turn unit on and move the
unit forward and backward a few times. Hydraulic oil change completed.
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