Northern Lights GEM Series User manual
www.northern-lights.com
M944TG
GEM Series Sound Enclosure
Assembly Instructions
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Northern Lights
4420 14th Avenue NW
Seattle, WA 98107
Tel: (206) 789-3880
Fax: (206) 782-5455
Copyright ©2019 Northern Lights, Inc.
All rights reserved. Northern Lights™, and
the Northern Lights logo are trademarks of
Northern Lights, Inc.
Printed in U.S.A.
LIT NO.: L831 7/20
ITEM # DESCRIPTION NLI P/N QTY NOTES
1. Lower intake duct assembly 06-71272 1
2. Rear panel assembly 06-71202 1
3. Service side valence assembly 06-71206 1
4. Non-service side valence assembly 06-71207 1
5. Front valence assembly 06-71213 1
6. Service side aft panel assembly 06-71217 1
7. Non-service side aft panel assembly 06-71212 1
8. Non-service side fwd panel assembly 06-71211 1
9. Front panel assembly 06-71201 1
10. Seal bar assembly 06-71271 1
11. Service side fwd panel assembly 06-71208 1
12. Top aft panel assembly 06-71204 1
13. Top fwd panel assembly 06-71203 1
14. Sound shield wire harness 22-71227 1
15. M8 button head screw 12-00118 10
16. 5/16-18 Phillips head screw 12-00119 6
17. 5/16 lock washer 15-09204 16
18. 1-1/4” ID grommet 00-70146 2
SPECIFICATIONS
Enclosure:
Length (OA) 60.1 in (1527 mm)
Width 28.7 in (729 mm)
Height 32.0 in (813 mm)
Assembled height on base frame: 32.0 in (813 mm)
Assembled weight w/o sub-base (est): 164 lbs (74 kg)
M944TG GEM Sound Enclosure
1
STEP 1.
INSTALL LOWER INTAKE DUCT ASSY (ITEM #1).
MOUNT LOWER INTAKE ON TO THE BASE FRAME WITH M8
BUTTON HEAD SCREW AND 5/16 LOCK WASHER. USE 5mm
HEX WRENCH AND TIGHTEN WITH HAND TOOLS ONLY.
A
LOWER INTAKE DUCT ASSY
ITEM #1
DETAIL A
M8 BUTTON HEAD SCREW
ITEM #15, QTY: 4
5/16" LOCK WASHER
ITEM #17, QTY: 4
2
3
A
REAR PANEL ASSY
ITEM #2
DETAIL A
M8 BUTTON HEAD SCREWS
ITEM #15, QTY: 3
5/16" LOCK WASHER
ITEM #17, QTY:3
B
DETAIL B
5/16 LOCK WASHER
ITEM #17, QTY: 6
5/16 -18 PAN HEAD
SCREW, ITEM #16, QTY: 6
STEP 2.
INSTALL REAR PANEL ASSY (ITEM #2).
1. MOUNT REAR PANEL TO BASE FRAME WITH M8 BUTTON HEAD
SCREW AND 5/16 LOCK WASHER. USE 5mm HEX WRENCH,
TIGHTEN WITH HAND TOOLS ONLY.
2. SECURE LOWER INTAKE DUCT TO REAR PANEL WITH 5/16-18 PAN
HEAD SCREW AND 5/16 LOCK WASHER. USE PHILLIPS HEAD
SCREW DRIVER AND DO NOT OVER-TIGHTEN.
NOTES:
FOR GENERATOR CONNECTION TO THE VESSEL. SEE PAGE 10.
GENERATOR CONNECTION SHOWN ON PAGE 4
4
B
A
G
E
F
D
C
ABOUT
C:
FUTURE:
AS
LISTED,
BUT
CURRENTLY
USES
5/16-37T
JIC.
INLET
OUTLET.
IN
LIEU
OF
AN
UNCERTAIN IMPLEMENTATION TIME, CAN WE PUT: EARLY PRODUCTION: 5/16-37T JIC INLET/OUTLET.
LATE PRODUCTION: 1/4 NPT INLET OUTLET?
A- Connect the exhaust elbow of the diesel engine to the exhaust system of the vessel.
B- Connect the sea water pump to the vessel’s water inlet. Pass a 3/4” ID hose from the vessel’s sea water strainer through
hole B to the sea water pump inlet tting.
C- Connect the vessel’s fuel supply and fuel return to the generator set through hole C. Fuel connections are located at the
fuel manifold on the base frame of the generator’s left hand side. Size will be 1/4” NPT or 5/16” JIC-37T depending on year
of manufacture. Use Coast Guard-approved rubber hose only.
D- Connect the DC control panel harness to the genset engine harness plug through hole D.
E- Connect the 12 volt battery leads to the generator set through hole E.
F- Connect the AC output leads from the generator junction box to the vessel’s power distribution panel through hole F.
G- “OPTIONAL” This port is used for water outlet in KEEL COOLED applications.
5
A
B
C
SERVICE SIDE LOWER VALENCE ITEM #3
NON-SERVICE SIDE LOWER VALENCE
ITEM #4
FRONT LOWER VALENCE ASSY ITEM #5
STEP 3.
INSTALL SIDE VALENCE ASSEMBLIES (ITEM #3 AND 4).
ALIGN GUIDE PIN TO CORRESPONDING HOLES IN THE REAR
PANEL. USE CAPTIVE THUMBSCREWS TO SECURE TO REAR PANEL.
MAY USE LONG PHILLIPS TYPE SCREW DRIVER FOR REACH ASSIST.
STEP 4.
INSTALL THE FRONT VALENCE PANEL ASSY (ITEM #5).
ALIGN GUIDE PINS OF BOTH SIDE VALENCES TO GUIDE PIN
1.
HOLES IN THE FRONT VALENCE ASSY.
CONNECT THE FRONT AND SIDE VALENCES WITH THE CAPTIVE
THUMBSCREWS.
2. SECURE THE FRONT VALENCE ASSY TO THE BASE FRAME WITH
M8 BUTTON HEAD SCREWS AND 5/16 LOCK WASHERS. USE A
5mm HEX KEY AND TIGHTEN WITH HAND TOOLS ONLY.
DETAIL A
3X CAGE NUT (SERVICE SIDE ONLY)
GUIDE PIN
CAPTIVE THUMBSCREW
DETAIL B
GUIDE PIN HOLE
DETAIL C
5/16 LOCK WASHER ITEM #17 QTY: 3
M8 BUTTON HEAD SCREW, ITEM #15 QTY: 3
6
A
DETAIL A
CAPTIVE SCREW FASTENERS
STEP 5.
INSTALL SERVICE SIDE AFT PANEL ASSY (ITEM #6).
POSITION PANEL IN PLACE AS SHOWN AND FINGER START THE
CAPTIVE SCREWS. USING A PHILIPS TYPE SCREWDRIVER PROGRESSIVELY
TIGHTEN ALL SCREWS IN ALTERNATING ORDER (ONE VERTICAL,
ONE HORIZONTAL, ETC) UNTIL FULLY ENGAGED. TIGHTEN ONLY WITH
FIRM HAND PRESSURE, DO NOT OVERTIGHTEN.
NOTES:
SEE NEXT PAGE FOR E-STOP AND LEAK ALARM LIGHT INSTALLATION
AND CONNECTIONS.
7
STEP i.
STEP ii.
STEP iii.
A
B
NON-SERVICE SIDE AFT PANEL
ITEM #7
DETAIL A
SCREW ROD WHEEL
DETAIL B
GUIDE PIN
STEP 6.
INSTALL NON-SERVICE SIDE AFT PANEL ASSY (ITEM #7).
GUIDE THE PINS (DETAIL B) TO CORRESPONDING HOLES
IN THE REAR PANEL.
USE THE SCREW ROD WHEELS (DETAIL A) TO ATTACH THE
PANEL ASSY TO THE LOWER SIDE VALENCE.
APPLY DOWNWARD PRESSURE AS YOU TURN THE SCREW
ROD WHEELS TO ENGAGE THE CAPTIVE NUTS INSIDE THE
LOWER VALENCE.
8
9
A
B
C
DETAIL A
DETAIL B
DETAIL C
STEP 7.
INSTALL NON-SERVICE SIDE FWD PANEL ASSY (ITEM #8).
USE THUMBSCREW (DETAIL B) TO SECURE THE NON-SERVICE
1.
SIDE FWD PANEL ASSY (DETAIL A) TO THE NON-SERVICE SIDE
AFT PANEL.
2. USE THE SCREW ROD WHEELS (DETAIL C) TO SECURE THE
NON-SERVICE SIDE FWD PANEL TO THE LOWER SIDE VALENCE.
APPLY DOWNWARD PRESSURE AS YOU TURN THE SCREW ROD
WHEEL TO ENGAGE THE CAPTIVE NUTS INSIDE THE LOWER
VALENCE.
10
A
B
C
FRONT PANEL ASSY
ITEM #9
DETAIL A
CAPTIVE THUMB SCREW
DETAIL B
COMPRESSION THUMB SCREW LATCH
DETAIL C
GUIDE PINS
STEP 8.
INSTALL FRONT PANEL ASSY (ITEM #9).
BEFORE PLACING FRONT PANEL ASSY IN POSITION,
1.
TWIST COMPRESSION THUMB SCREW LATCH
(DETAIL B) IN COUNTER-CLOCKWISE DIRECTION
SO THAT THE PAWL POINTS FORWARD, IN FULLY
LOWERED POSITION.
GUIDE PINS (DETAIL C) TO CORRESPONDING HOLES
IN THE FRONT LOWER VALENCE.
2. WHEN POSITIONED, TURN COMPRESSION THUMB
SCREW LATCHES IN CLOCK-WISE DIRECTION TO
ENGAGE, UNTIL TIGHT WITH FIRM FINGER PRESSURE.
3. NOW ENGAGE CAPTIVE THUMB SCREW (DETAIL A)
TO CORRESPONDING HOLE IN NON-SERVICE SIDE
FWD PANEL TO SECURE. FIRM BUT NOT OVER TIGHT.
11
12
A
SEAL BAR ASSY
ITEM #10
DETAIL A
CAPTIVE THUMB SCREWS
B
SERVICE SIDE FWD PANEL ASSY
ITEM#11
DETAIL B
NYLON LOCATOR PIN
STEP 9.
INSTALL SEAL BAR ASSY (ITEM #10.)
LOCATE SEAL BAR ASSEY TO THEIR
CORRESPONDING CAPTIVE NUT HOLES
ON THE FRONT PANEL ASSY FLANGE
AND THE SERVICE SIDE AFT PANEL ASSY
FLANGES.
SECURE WITH CAPTIVE THUMB SCREWS
UNTIL FIRM BUT NOT OVER TIGHT.
STEP 10.
INSTALL SERVICE SIDE FWD PANEL ASSY (ITEM #11).
GUIDE NYLON LOCATING PINS (DETAIL B) TO SLOTS
IN LOWER SIDE VALENCE PANEL.
ENGAGE THE RING LATCH BY LIFTING RING LEVER OUT
AND TWIST A HALF-TURN SO IT FOLDS DOWN FLUSH AGAIN.
YOU WILL FEEL A CERTAIN AMOUNT OF RESISTANCE AS YOU
DO, WHICH MEANS THE LATCH IS ENGAGING.
NORMAL LATCH OPERATION AFTERWARDS ONLY REQUIRES
A QUARTER TURN TO RELEASE AND RE-ENGAGE THE PANEL.
NOTE:
LATCHES ARE FACTORY PRE-SET BUT OCCASIONALLY
REQUIRE SOME ADJUSTMENT. REFER TO LATCH ADJUSTMENT
PAGE FOR DETAIL.
LATCHES ARE INSTALLED IN FULLY OPEN POSITION FROM
FACTORY, SO LATCH RING IS BACKWARDS WHEN PACKED,
AND LATCH PAWL IS POINTING TO THE CENTER OF THE PANEL.
13
TOP PANEL AFT
ITEM #12
STEP 11.
INSTALL TOP AFT AND FWD PANEL ASSY (ITEM# 12 AND 13).
GUIDE PINS ON TOP AFT PANEL ASSY TO THE CORRESPONDING
1.
HOLES ON TOP OF THE REAR AND SIDE PANEL ASSYS.
LIFT RING LATCH LEVER AND TWIST A HALF TURN AND FOLD
DOWN FLUSH AGAIN. YOU WILL FEEL A CERTAIN AMOUNT OF
RESISTANCE AS YOU DO, WHICH MEANS THE LATCH IS ENGAGING.
NORMAL LATCH OPERATION AFTERWARDS ONLY REQUIRES A
QUARTER TURN TO RELEASE AND RE-ENGAGE THE PANEL.
2. TO INSTALL THETOP FWD PANEL ASSY, NOTE THE PINS AT THE REAR
OF THE TOP FWD PANEL, GUIDE THESE PINS INTO CORRESPONDING
HOLES IN THE FRONT OF THE TOP AFT PANEL.
LATCH OPERATION IS THE SAME AS THE TOP FWD PANEL.
NOTE:
THE RING LATCHES ARE FACTORY PRE-SET BUT OCCASIONALLY
REQUIRE SOME ADJUSTMENT. REFER TO THE LATCH ADJUSTMENT
PAGE FOR DETAIL.
LATCHES ARE INSTALLED IN FULLY OPEN POSITION FROM FACTORY
SO LATCH RING IS BACKWARDS WHEN PACKED, AND LATCH PAWL
IS POINTING TO THE CENTER OF THE PANEL.
GUIDE PINS
GUIDE PIN HOLES
TOP PANEL FWD
ITEM #13
GUIDE PINS
GUIDE PIN HOLES
14
16
Packed By : Date :
LIT NO.: L831 7/20
06-71202 06-71217
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