11
Eco
Gun 249
c
ontrol
of
air
suPPly
to
gun
This control (7) is located on the gun
butt and enables throttling the air supply
amount to gun and thus the operator can
decrease the air amount for spraying, resp.
completely stop the supply, without any
handling on the air control in distribution
lines.
r
ePlacement
of
nozzle
assembly
After dismantling the stop bolt (20) and the securing nut (38),
remove the spring of the needle (18) with the bearing of the needle
(19) and the needle (2). For easier handling, press the lever which
will suppress the needle from the rear part of the gun. Remove the
nozzle from the front part of the gun by unscrewing (1). Dismantle the
nozzle from the gun by the attached wrench (41). Before assembly
of a new nozzle set, it is recommended to clean the assembly areas.
Attach the new nozzle and fully tighten. The recommended tightening
moment on the nozzle is 10 Nm. Behind the gun, insert the needle
with spring and bearing, and replace the locking nut, bolt stop and
nozzle.
r
ePlacement
of
needle
gland
Upon any leakage it is necessary to
re-tighten the gland (9) by the gland
screw (12) by clockwise rotation of
the screw to condition, where the
gland is again tight. In case the gland
screw cannot rotate and the gland
still leaks, the gland shall be replaced
for a new one. Unscrew the gland
screw (12) and remove the old gland
assembly. Before installation o new
gland clean the gland area. Insert new gland (9), spring guide (10)
and gland spring (11) from the needle sealing set. Tighten the gland
screw to ensure proper tightness of the gland.
r
ePlacement
of
air
ValVe
sealing
»
Disassembly: (pic. a)
Disassemble the end stop screw (20)
and locking nut (38) with spring (18), bearing (19) and needle
(2). Use wrench (41) to disassemble the control bushing (17)
with spring (16) from the gun. Press lever to insert the pin (15)
to the gun, and then remove it. Insert to the gun assembly
key (42), insert the mandrel assembly (38) from the air valve
set, insert needle to the mandrel and press lever to press out
the seal roller (13) from the gun. Seal will remain on the key
assembly (42), which then pull out from the gun.
(pic. b)
9
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Содержание EcoGun 249
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