Northern Lights OM150C12 Operator's Manual - page 26
24
OM150C12 11/11
Servicing
Reproduced by permission of Deere & Company, c2007. Deere & Company.
All rights reserved.
RG14950
Figure 23
Note: Raw water flange may have two more ounting
cap screws than illustrated. Remove/install proce-
dure is unchanged.
3. Remove two capscrews (Fig 23, C) and remove raw
water pump.
4. Clean all gasket material from both mating surfaces.
5. Position a new gasket on raw water pump mounting
flange. Install splined pump shaft in splined ID of
drive gear.
6. Align mounting holes in water pump mounting
flange and gasket with threaded holes in drive gear
housing. Install cap screws with washers and tighten
cap screws to 73 N•m (54 lb/ft) of torque.
7. Inspectr condition of O-ring in raw water pump
outlet and outlet tubes. Determine if they are reus-
able. Replace O-rings as needed.
8. Connect raw water inlet and outlet tubes and install
and tighten cap screws evenly until secure. Tighten
hose clamps.
9. Open sea cock, start engine and check for leaks.
Note: Make sure there is always an extra impeller
and cover gasket in reserve and on-board.
DRIVEN EQUIPMENT
Gears and PTO's
1. Manufacturer's service recommendations vary. See
your Owner's Manual for service information. If you
do not have a manual, see your local dealer for the
equipment in question.
NOTE: Some PTO and marine gears have
rigid lubrication requirements. Follow service
recommendations closely.
Generator Ends
2. The maintenance and operation recommendations
for the generator end are in a separate Owner's
Manual. If you do not have one of these manuals,
contact your local Northern Lights dealer.
ELECTRICAL SYSTEM - GENERAL
1. Never switch battery switch off or break the cir-
cuit between the alternator and batteries while the
engine is running. Regulator damage can result.
2. DO NOT reverse the polarity of battery cables
when installing the battery.
3. When welding on the unit, disconnect the regulator
and battery. Isolate the leads.
4. Disconnect battery cables when servicing the DC
alternator.
5. Never test with a screwdriver, etc., against any
terminal to see if it emits sparks.
6. A DC circuit breaker protects your control panel
and wiring harness.
BOOSTER BATTERIES
CAUTION: Battery Gas Can Explode. Keep all
flames and sparks away from batteries.
1. Before changing or using booster batteries, check
battery electrolyte level. Add distilled water.
2. Booster and main batteries must have the same
voltage rating.
3. First, connect positive (+) terminal of booster
battery to positive (+) terminal of main battery.
Figure 18: Booster Battery Connections