6. Controls
The grapple functions are powered by the skid steer's hydraulic
system. The following section outlines the different types of
controls specific to each model type.
6.1 Grapple Forks
(All Models)
All LXG400 Series grapple forks are powered from the skid
steer's remote hydraulics. The grapple has an inner and outer
fork that bypass each other when closing. A closed grapple can
grasp material as small as 3" (8 cm).
Grapple Maximum Opening
Model
Opening Size
LXG420S, LXG420R
48" (122 cm)
LXG430S, LXG430R, LXG430RP
72" (182 cm)
•
LXG420S and LXG430S grapples are controlled directly
using the skid steer's remote hydraulic connections.
•
LXG420R and LXG430R grapples are controlled using the
skid steer's remote hydraulic connections with a control
box to activate them.
•
LXG430RP grapple forks, boom extend and winch
are controlled using the skid steer's remote hydraulic
connections with a control box to activate each function.
6.2 Spring-return Pivot
(LXG420S, LXG430S models)
The LXG–'
S
' model grapples have a mechanical pivot that
allows the grapple forks to rotate 90° in either direction when
unlocked. A spring in the pivot forces the grapple to center itself
(perpendicular to the grapple boom) when the load permits.
While skidding for example, the pivot can rotate as the load
turns.
The pivot has three lock positions—two parallel with the boom
(one each end of the 90°) and one parallel to the base. Locking
is recommended to be used when carrying, lining up and
stacking logs or whenever the pivoting feature is not desirable.
Unlock the pivot when skidding.
IMPORTANT! Make sure the pivot is UNLOCKED during
skidding. Damage to the pivot can occur if locked when
turning or contacting other objects.
The pivot is protected by a shear bolt if excessive
torque loads occur.
01493
Fig. 14 –
Spring-return Pivot
01518
Fig. 15 –
Grapple Pivot Lock Lever
CAUTION!
Risk of injury from collision with
the grapple forks when locking or
unlocking the pivot. The grapple
fork pivot is under spring tension,
and when unlocked can rotate the
grapple with force unexpectedly.
Stand clear of the grapple when
unlocking the pivot.
W087
Controls
LXG400 Series
Log Grapples
26
