Northern Lights Lugger M773LW3 User manual

M773LW3
Gem Series Soundshield Assembly Instructions
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L755 12/17

M773LW3 GEM SERIES SOUND SHIELD
ITEM DESCRIPTION NLI P/N QTY NOTES
1 JUNCTION BLOCK OFF PLATE ASSEMBLY 06-78632 1
2 REAR PANEL ASSEMBLY 06-78602 1
3 1/4-20 x 3/4” HEX HEAD CAPSCREW, S/S 12-30111 3
4 1/4” EXTERNAL STAR WASHER, S/S 15-09103 3
5 REAR BOTTOM VALENCE ASSEMBLY 06-78608 1
6 BOTTOM SIDE VALENCE ASSEMBLY 06-78611 2
7 NYLON BUMPER/RIVET 11-467 12
8 FRONT BOTTOM VALENCE ASSEMBLY 06-78613 1
9 NON-SERVICE SIDE PANEL ASSEMBLY 06-78606 1
10 FRONT PANEL ASSEMBLY 06-78601 1
11 SERVICE SIDE PANEL ASSEMBLY, AFT 06-78604 1
12 SEAL BAR ASSEMBLY 06-78614 1
13 TOP PANEL ASSEMBLY 06-78605 1
14 SERVICE SIDE PANEL ASSEMBLY, FWD 06-78603 1
15 GROMMET 1-1/8” ID x 1-7/8” OD 00-70083 2
Specications:
Enclosure (Installed on Generator Base):
Length (OA)...........................................................35 in (889 mm)
Width.....................................................................22.0 in (559 mm)
Height....................................................................24.3 in (618 mm)
Assembled Weight:
43 lbs (19.5 kg) shield only
580 lbs (263 kg) with generator set
1

2
Prior to assembly, inspect all components for damage. Report any damage to the shipping
company. Check the packing list in the back of this manual to be sure all parts are included.
Note: The Generator set features a single point lifting eye. However, the generator may still possess
original factory lifting points, which will need to be loosened and rotated down, until they are below the
highest point of the engine. Be sure to retighten those bolts before moving on.
AVOID POSITIONING THE ENCLOSURE INTO CORNERS WITH OVERHEAD BLOCKED TO REDUCE
CHANCE OF INTAKE/EXHAUST AIR RECIRCULATION OUTSIDE THE SHIELD.
Select a mounting location in accordance with the guidelines in the IM1000 Installation Manual
(supplied with the generator set). The generator set must typically be mounted on a rigid, at
surface above a strong structure, such as the vessel’s stringers, to minimize vibration
transference to the hull.
Note that the generator set is designed for single side service. When viewed from the rear, the
right hand side is the service side and should be exposed for easy maintenance access.
Install the generator set in the vessel as near to a level attitude as possible. Ensure that the
enclosure’s left hand side and rear are at the recommended distances (6 inch recommended,
4 inch minimum.) from the vessel’s bulkheads.

3

4
You may encounter some resistance as the rear panel comes into contact with the intake air snorkel
hose. Note that the rear panel has a small hole in the vicinity of the intake snorkel. Guide this hose so
that it is inserted within the panel hole, ensure that the hose does not go too far into the rear panel so
that the hose end is blocked.
(Generally this hose will install without adjustment at the retaining clamp.)
When making the intake air snorkel hose connection, it is important to ensure that the hose is not kinked
or bent in such a way to restrict the engine’s intake air ow. This arrangement is designed to allow the
hose to follow it’s natural path when properly installed into the rear panel. Some adjustment is possible
by loosening either bolt of the snorkel hose’s supporting bracket. Be sure to retighten any loosened bolt.

5
NYLON RIVETS
NYLON RIVETS
NYLON RIVETS
NYLON RIVETS
NYLON RIVETS
NYLON RIVETS

6

7
DETAIL E
DETAIL E

DETAIL F
DETAIL F
DETAIL G
DETAIL G
8

9
DETAIL H
DETAIL H
DETAIL H
DETAIL H

10

11

12
OD
JIC
JIC

13

ITEM# DESCRIPTION NLIPART# QTY NOTES: PACKED
SOUND SHIELD PANELS
1 JUNCTION BLOCK OFF PLATE ASSEMBLY 06-78632 1 p
2 REAR PANEL ASSEMBLY 06-78602 1 p
5 REAR BOTTOM VALENCE ASSEMBLY 06-78608 1 p
6 BOTTOM SIDE VALENCE ASSEMBLY 06-78611 2 p
8 FRONT BOTTOM VALENCE ASSEMBLY 06-78613 1 p
9 NON-SERVICE SIDE PANEL ASSEMBLY 06-78606 1 p
10 FRONT PANEL ASSEMBLY 06-78601 1 p
11 SERVICE SIDE PANEL ASSEMBLY, AFT 06-78604 1 p
12 SEAL BAR ASSEMBLY 06-78614 1 p
13 TOP PANEL ASSEMBLY 06-78605 1 p
14 SERVICE SIDE PANEL ASSEMBLY, FWD 06-78603 1 p
HARDWARE BAG::
3 1/4-20 X 3/4” HEX HEAD CAPSCREW, S/S 12-30111 3 LOOSE p
4 1/4” EXTERNAL STAR WASHER, S/S 15-09103 3 LOOSE p
7 NYLON BUMPER/RIVET 11-467 12 LOOSE p
15 GROMMET 1-1/8” ID X 1-7/8” OD 00-70083 2 LOOSE p
PackedBy: Date:
M773LW3 GEM SERIES SOUND SHIELD PACKING LIST
L755 12/17