Flushing The Hydraulic System - Toro Sand Pro 3040 Service Manual

Flushing the Hydraulic System

Sand Pro ® 3040 and 5040
20251SL Rev A
If a component failure occurs in the traction circuit; refer to
Filtering the Closed-loop Traction Circuit (page 5–59)
information.
Flush the hydraulic system whenever there is a severe component
failure or the system is contaminated (for example, the fluid appears
milky, black, or contains metal particles).
1. Park the machine on a level surface, lower the any attachments, engage
the parking brake, set the key switch to the O
key from the switch.
2. Read and adhere to the information provided in
Removing and Installing the Hydraulic System Components (page
Flush the hydraulic system with the hydraulic fluid as warm as
possible, but to prevent additional system damage, Do Not operate a
machine with contaminated hydraulic fluid to warm the fluid before
draining.
Follow all local codes and regulations when recycling or disposing
the hydraulic fluid and filters.
3. Drain the hydraulic tank into a suitable container; refer to the traction unit
Operator's Manual.
4. Drain the hydraulic system hoses, tubes, lift cylinders and other components
from low points in the system.
5. Remove and replace the hydraulic-fluid filter; refer to the traction unit
Operator's Manual.
6. Inspect and clean hydraulic tank. Remove the hydraulic tank if necessary;
refer to Removing the Hydraulic Tank (page
7. Connect all the hydraulic hoses, tubes, and components that were
disconnected while draining the system; refer to
and Tubes (O-Ring Face Seal Fitting) (page
Using other hydraulic fluids could damage the hydraulic system. Use
the hydraulic fluids that are specified in the traction unit Operator's
Manual.
IMPORTANT
IMPORTANT
CAUTION
IMPORTANT
IMPORTANT
Page 5–57
for additional
position and remove the
FF
General Precautions for
5–54).
5–66).
Installing Hydraulic Hoses
5–7).
Hydraulic System: Service and Repairs