Cast Arm With Guard; Water System - Stihl TS 420 Manual

5.

Cast arm with guard

5.1

Water system

Nozzles
1
: Take out banjo bolts (arrow) on
both sides – the square nuts
inside the guard drop down.
– Disconnect and examine the
hose (1), fit a new hose if
necessary.
2 1
: Remove screw (1)
: Guide the adjusting lever (2) over
the lift-off lugs (arrow) with a
gentle turning movement and
remove it.
When fitting the adjusting lever, it is
simply pushed into place until it
engages.
– Insert and tighten down the
screw.
– Tightening torques, b 3.5.
18
1
Fit the square nut (1) in the guides
(arrows) inside the guard and hold
it.
1
– Fit the connector (1) with water
hose and align it at 90° to the
adjusting lever (2).
: Insert the banjo bolt (3) and
screw it tight.
– Examine the sealing ring on the
banjo bolt and replace it if
necessary.
– STIHL Press Fluid makes it
easier to fit the sealing rings,
b 14.
– Fit the square nut on the inside of
the guard and slide the banjo bolt
through the hole in the adjusting
lever from the other side with
gasket and sealing ring.
– Insert the banjo bolt and screw
it tight.
Water attachment
1
: Apply a screwdriver to the hose
clip (arrow) and turn slightly to
open the clip.
– Pull off the hose (1).
2
1
3
– Open the hose clip and remove
the hose.
: Insert a hexagon socket head
wrench (3) in the connector
(arrow) and turn the connector
down.
– Take the shut-off cock (1) from
the holder (2) and examine it; fit a
new part if necessary.
3
2
TS 410, TS 420