Counterbalance Valve Manifold (If Equipped) - Toro Groundsmaster 3280-D Service Manual

Counterbalance Valve Manifold (If Equipped)

RIGHT
FRONT
1
1. Lift control valve
2. Hydraulic adapter
3. Hydraulic tube
4. O- -Ring
NOTE: The counterbalance valve manifold is used on
Groundsmaster 3280--D machines with serial numbers
above 270000401 and Groundsmaster 3320 machines
with serial numbers above 280000000.
Removal (Fig. 45)
1. Park the machine on a level surface, engage the
parking brake, lower the cutting deck (or implement) and
stop the engine. Remove the key from the ignition
switch.
2. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
3. Remove fuel tank from machine (see Fuel Tank Re-
moval in Chapter 3 -- Gasoline Engine or Chapter 4 --
Diesel Engine).
4. Label all hydraulic connections for assembly pur-
poses. Clean hydraulic hose ends prior to disconnecting
the hoses from control manifold.
Hydraulic System
10
11
4
3
4
2
Figure 45
5. O- -Ring
6. Counterbalance manifold
7. Cap screw (2 used)
8. Hydraulic hose
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil.
5. Disconnect hose connections from hydraulic fittings
on counterbalance valve manifold. Allow hoses to drain
into a suitable container.
6. Put caps or plugs on disconnected hoses and fittings
to prevent contamination.
7. Remove two (2) cap screws and flange nuts that se-
cure manifold to machine.
8. Remove manifold from the machine.
9. Remove hydraulic fittings as necessary from the
manifold. Discard all removed o--rings.
Page 5 - - 58
5
2
2
5
4
9
9. Hydraulic hose
10. Flange nut (2 used)
11. Mounting bracket
CAUTION
Rev. A
Groundsmaster 3280--D/3320
6
7
4
2
8