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Groundsmaster 4100--D/4110--D Hydraulic SystemPage 4 -- 129
The manifolds for the three (3) cutting deck sections are
very similar. The front and right side PTO manifolds are
identical. The left side PTO manifold uses the same cart-
ridges and plugs as the front andright side manifolds but
also includes an additional orifice that threads into the
manifold OR2 port (Fig. 101). NOTE: When servicing
the PTO manifolds, DO NOT interchange parts from one
manifold to another.
NOTE: The PTO manifold assembly includes zero leak
plugs. These plugs have a tapered sealing surface on
theplugheadthatisdesignedtoresistvibrationinduced
plug loosening. T he zero leak plugs also have an O--ring
as a secondary seal. If zero leak plug removal is neces-
sary, lightly rap the plug head using a punch and ham-
mer before using an allen wrench to remove the plug:
the impact will allow plug removal with less chance of
damage to the socket head of the plug.
PTO Manifold Service (Fig. 100)
For PTO manifold solenoid and control valve service
procedures, see Control Manifold Cartridge Valve Ser-
vice in this section. Refer to Figure 100 for PTO manifold
cartridge valve and plug installation torque.
1. LH PTO manifold 2. Orifice (OR2 port)
Figure 101
1
2
Hydraulic
System