Toro ProLine H800 Service Manual page 194

Removing the Height Of Cut Cylinder (continued)
Installing the Height Of Cut Cylinder
Hydraulic System: Service and Repairs
Ensure that the cutting deck is fully lowered before loosening the
hydraulic lines from the height of cut cylinder.
4. Disconnect the hydraulic hoses from the fittings in the height of cut cylinder
that is to be removed. Allow the hoses to drain into a suitable container.
Remove and discard the O-rings from the fittings.
5. Install clean caps or plugs on the hydraulic hoses and fittings to prevent
contamination.
6. Remove the nut (item 1 of
the height of cut cylinder rod end (7) to the cutting deck.
7. Remove the retaining rings (9) and pin (11) that secures the height of cut
cylinder barrel end (7) to the cutting deck.
8. Remove the height of cut cylinder (7) from the cutting deck (11).
9. If the hydraulic fittings are to be removed from the height of cut cylinder, mark
the fitting orientation for assembly purposes. Remove the fittings from the
height of cut cylinder and discard the O-rings from the fittings.
1. If the hydraulic fittings were removed from the height of cut cylinder, lubricate
new O-rings with clean hydraulic fluid, position the O-rings to the fittings,
and install the fittings into the height of cut cylinder ports; refer to
the Hydraulic Fittings (page
correctly.
2. Position the height of cut cylinder onto the cutting deck.
Note: The height of cut cylinder barrel end should be attached towards the
machine.
3. Secure the height of cut cylinder barrel end (7) to the cutting deck with the
pin (10) and 2 retaining rings (9).
4. Secure the height of cut cylinder rod end (7) to the cutting deck with the
bolt (5), 2 washers (2) and nut (1).
5. Remove the caps and plugs that were installed to the hydraulic hoses and
fittings during the removal process.
6. Put a coating of clean hydraulic fluid on new fitting O-rings, install the O-rings,
and connect the hydraulic hoses to the fittings on the height of cut cylinder.
Tighten the hose connections; refer to
Tubes (page 5–8).
7. After you complete the assembly, ensure that the hydraulic hoses and
fittings do not contact anything to the cutting deck. Also, check for any
hydraulic-fluid leaks.
8. Lubricate the height of cut cylinder grease fittings.
9. Check the hydraulic-fluid level in the hydraulic tank and add correct quantity
of fluid if necessary; refer to the Operator's Manual.
10. Operate the machine functions slowly until air is out of system; refer to
Charging the Hydraulic System (page
11. Start the engine, check for hydraulic-fluid leaks, repair any leaks as
necessary, and fill the hydraulic tank with the correct quantity of new
hydraulic fluid.
WARNING
Figure 96), washers (2) and bolt (5) that secures
5–10). Ensure that the fittings are orientated
Installing the Hydraulic Hoses and
5–72).
Page 5–126
Installing
ProLine H800
19241SL Rev A