KOBELCO Total Reliability with
the Complete KOBELCO
Compact Seal System
Net Protector
Propeller
Double Security
Compact Seal
Spare Sealing Ring
Double Security Compaei
& Net Protector
KOBELCO's Net Protector
The Net Protector winds the nets or ropes between the protector and propeller blades, prevent-
ing them from passing through the clearance between the rope guard and propeller boss.
Aft Seal Tank (for #2/3)
The Port Anti-Pollution (P.A.P.) System
to Prevent Any Oil Leakage, Especially
in Harbors
When the shaft rotation has decreased
under the rotation set by the control
panel, solenoid valves (A) and (B) close,
while valve (C) opens, and the oil level in
the chamber between sealing ring #2
and #3 lowers to the level of (C) on the
shaft line. Near Port (Harbor Speed)
L=m=
#3/3S Inlet
v.
KOBELCO's New 'Double Security' COMPACT SEAL
During normal operation, the #3S sealing ring is kept in a no-load
condition as the pressure between the #3/3S seal chamber and
the stern tube is equalized using oil supplied from the stern tube
gravity tank. If a leak occurs in the
#3 sealing ring, the #3S sealing ring
can immediately be engaged by
closing valves on the oil lines leading
to and from the #3/3S chamber.
#3/3S Outlet
Gravity Tank for Stern Tube
U.S.A. Exclusive Agent
Roland Marine Inc.
90 Broad Street, New York, NY 10004 U.S.A. TEL: 212-269-1075 TELEX: 222197 FAX: 212-943-4346
<•> imfilnlminE EmmEERmn chltd.
11F Shuwa Park Bldg., 2-4-1 Shibakoen, Minato-ku, Tokyo, 105 JAPAN TEL: 03-3459-4175-7 FAX: 03-3459-4189
Circle 283 on Reader Service Card June, 1993
Digital Wave Publishing