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F-1576c 1 of 2
Quiet DieselE Series Operation, Maintenance and Parts
PRE-START CHECKS
Before the first start of the day and after every eight
hours of operation:
1. Check for proper oil and coolant levels.
2. Check for fuel, coolant and water leaks, mechanical
damage, loose parts, damaged exhaust hose, loose
or corroded battery connections, clogged sea water
strainer, and CO monitors that don’t work. Service
as necessary.
3. Check for swimmers that might be exposed to the
engine exhaust.
4. Turn off air conditioners and other large appliances.
PRIMING THE FUEL SYSTEM
If the generator ran out of fuel, push the control switch
to STOP (Prime) and hold for at least 30 seconds.
STARTING THE GENERATOR
1. Push and hold the control switch at START (Preheat) until the generator starts. The amber status
lamp on the control switch will blink rapidly.* The
amber lamp will go out and the green run lamp on
the switch will light after the starter has disconnected and the engine is up to speed. (Depending
on how cold the engine is, preheat can take as long
as 15 seconds before cranking starts.)
2. For longer engine life, let the engine warm up for two
minutes before turning on air conditioners and other
large appliances.
3. Check for water, coolant, fuel and exhaust leaks.
Stop the generator immediately if there is a leak.
WARNING
!
Fuel and exhaust leaks can lead to
severe personal injury or death. Shut down the
generator immediately. Repair fuel leaks immediately. Do not run the generator until fuel and
exhaust leaks have been repaired.
4. If the generator fails to start, cranking will discontinue in 20 to 60 seconds, depending on how cold
the engine is, and the amber status lamp will blink
Shutdown Code No. 4. See Troubleshooting (Oper-
ator’s Manual) if the generator does not start after
two or three tries.
CAUTION
!
Do not continue cranking and risk
burning out the starter or flooding the engine
(exhaust flow during cranking is too low to expel
water from the exhaust system). Find out why
the generator does not start and repair as necessary.
5. If the generator shuts down, the amber status
lamp will blink a shutdown code. See SHUTDOWN
CODES below.
STOPPING THE GENERATOR
Turn off air conditioners and other large appliances and
let the generator run for two minutes to cool down.
Then touch the Control Switch to STOP (Prime).
SHUTDOWN CODES
The amber status lamp will blink if the generator shuts
down. It will blink 1, 2, 3, 4 or 7 times, pause, and then
repeat the blinking. The number of blinks is the shut-
down code. Blinking continues for five minutes and
stops. To restore blinking press the control switch to
STOP (Prime) until the amber lamp comes on (3 to 4
seconds). Then press STOP (Prime) three times to restores blinking.
• One blink indicates shutdown due to high engine
temperature.
• Two blinks indicate shutdown due to low oil pres-
sure.
• Three blinks indicate shutdown that may require
service. See Troubleshooting in the Operator’s
Manual.
• Four blinks indicate shutdown due to a failure to
start within the time allowed for cranking.
• Seven blinks indicate shutdown due to a loss of
raw water flow for engine and exhaust cooling.
See Troubleshooting in the Operator’s Manual for
more information.
CUMMINS ONAN DIGITAL DISPLAY
See the generator Operator’s Manual for details.
* The green run lamp and gauges will also flash momentarily.
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Printed in U. S. A. 04/07
F-1576c2 of 2
PERIODIC MAINTENANCE SCHEDULE
MDKBH
MDKBK, MDKBL, MDKBM, MDKBN,
MDKBP, MDKBR, MDKBS
MDKBT, MDKBU
MDDCA, MDDCB, MDDCC, MDDCD,
MDDCE, MDDCF, MDDCG, MDDCH,
MDDCJ
General Inspection
1
Every day, 8 Hrs Every day, 8 Hrs Every day, 8 Hrs Every day, 8 Hrs
Check Battery
2
Check V−Belt Tension
3
Monthly 100 Hrs
Monthly 100 Hrs
Monthly 100 Hrs
Monthly 100 Hrs
Drain Water from Fuel Filters (Primary or Secondary)
Monthly, 100 Hrs Monthly, 100 Hrs Monthly, 100 Hrs Monthly, 100 Hrs
Check Siphon Break
Change Oil/Oil Filter First 50 Hrs − Yearly, 200 Hrs First 50 Hrs − Yearly, 200 Hrs First 50 Hrs − Yearly, 350 Hrs First 50 Hrs − Yearly, 350 Hrs
Check Brushes & Slip Rings
4
Yearly, 200 Hrs − − −
Change Fuel Filter
Yearly 500 Hrs
Yearly, 350 Hrs
Replace Pump Impeller
Yearly, 500 Hrs
Yearly, 500 Hrs Yearly, 500 Hrs
Yearly 500 Hrs
Replace Zinc Anode −
ea y, 500 s
ea y, 500 s
Yearly, 500 Hrs
Adjust Valve Lash
4
800 Hrs 800 Hrs 1000 Hrs
2 Yrs 2100 Hrs
Change Coolant, Pressure Cap & Thermostat 2 Yrs 2 Yrs 2 Yrs
2 Yrs, 2100 Hrs
Check Generator Bearing(s) & Drive Belt
4
5 Yrs, 2000 Hrs 5 Yrs, 2000 Hrs 5 Yrs, 2000 Hrs 5 Yrs, 2000 Hrs
Check Air Filter − − − Yearly, 700 Hrs
1. Includes Oil Level, Coolant Level, Fuel System, Exhaust System, Battery, and Sea Water Strainer Checks
2. See battery manufacturer recommendations
3. Check for slippage, cracking and wear (pump drive belt only)
4. Must be performed by a trained and experienced mechanic (Cummins Onan Distributor or Dealer) in accordance with the engine and generator service manuals
MAINTENANCE PARTS
MDKBH
MDKBK, MDKBL, MDKBM,
MDKBN
MDKBP, MDKBR, MDKBS MDKBT, MDKBU
MDDCA, MDDCB, MDDCC,
MDDCF, MDDCG
MDDCD, MDDCE, MDDCH,
MDDCJ
Oil Filter 185−7444 185−5835 122−0810 122−0906 122−0885 122−0885
Fuel Filter 149−2106 149−2106 149−2106 149−2804 149−2722 & 149−2723 149−2724 & 149−2725
Crankcase Breather 185−5523 185−6721 185−6721 123−2327 123−2259 123−2259
Pump Impeller 132−0415 132−0379 132−0349 541−1316 132−0436 132−0436
12V Glow Plugs
1
185−5421 185−5421 185−5990 333−0745 − −
24V Glow Plugs
1
− 185-7268 185−6725 333−0746 − −
Zinc Pencil − 130−4434 130−4434 130−4434 130−6228 130−6228
V−Belt 511−0197 185−6934 Note 2 511−0237 511−0215 511−0215
Oil Filter Wrench 420−0577 − − − − −
Air Filter − − − − 140−3752 140−3752
Cruise Kit 100−3478−58 100−3478−52 Note 3 100−3478−60 − −
1. Number of glow plugs: 2−MDKBH; 3−MDKBL & MDKBK; 4−MDKBM, MDKBN, MDKBP, MDKBR, MDKBT & MDKBU; 5−MDKBS
2. MDKBP and MDKBR with negative ground (Option # B200 or B201): 511−0201, MDKBS with negative ground (Option # B200 or B201): 185−7055, MDKBP, MDKBR and MDKBS with isolated ground systems (Option # B379 or B380): 511−0211
3. MDKBP and MDKBR with negative ground (Option # B200 or B201): 100−3478−54, MDKBS with negative ground (Option # B200 or B201): 100−3478−56, MDKBP, MDKBR and MDKBS with isolated ground systems (Option # B379 or B380): 100−3478−55
ENGINE FLUID CAPACITIES
MDKBH MDKBK, MDKBL MDKBM, MDKBN MDKBP, MDKBR MDKBS MDKBT, MDKBU
MDDCA, MDDCB,
MDDCC, MDDCF,
MDDCG
MDDCD, MDDCE,
MDDCH, MDDCJ
Oil 2.1L (2.2Qt) 4.0L (4.2Qt) 4.3L (4.5Qt) 7.6L (8Qt) 12L (12.7Qt) 10.4L (11Qt) 12.6L (13.3Qt) 19.4L (20.5Qt)
Coolant 2.1L (2.2Qt) 4.0L (4.2Qt) 5.0L (5.3Qt) 7.6L (8Qt) 7.6L (8Qt) 13.7L (14.5Qt) 14L (15Qt) 30L (32Qt)
Shipped with 15W40 engine oil and 50/50 water/ethylene glycol coolant
Contact your Cummins Onan Distributor or Dealer for more information. Cummins Power Generation, 1400 73rd Ave. NE, Minneapolis, MN 55432, USA, Phone 1-763-574-5000, Toll-free 1-800-888-6626,
Fax 1-763-574-5298, Email www.cumminsonan.com/contact, www.cumminsonan.com.
Cummins®, Onan®, the “C” logo, “Performance you rely on™” and Quiet Diesel™ are trademarks or registered trademarks of Cummins Inc. ©2007 Cummins Power Generation. All Rights Reserved.
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