Kohler 3.5CFZ User Manual Page 50
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TP-5695 12/933-22 Scheduled Maintenance
Governor
The gear-driven centrifugal type governor serves to
keep engine speed constant by automatically adjusting
the amount of fuel supplied to the engine according to
changes in load.
Lubrication
Lubricate governor linkage at the specified interval
using white lithium grease or lubriplate.
Governor Adjustment
The gear-driven centrifugal type governor serves to
keep engine speed constant by automatically adjusting
the amount of fuel supplied to the engine according to
changes in load. No regular service is required on the
unit. The governor is adjusted during run-in at the
factory and further adjustment should not be needed
unless greatly varying load conditions are encountered
or if poor governor control develops after extended
usage. See Figure 3-25 for correct placement of
governor linkage (models may vary).
60 Hz generator sets are designed to operate at 60-63
Hz, 3600 rpm under full load and 3780 rpm under no
load. 50 Hz generator sets are designed to operate at
50--52.5 Hz, 3000 rpm under full load and 3150 rpm
undernoload. Tocheckspeed,usehandtachometeror
frequency meter. Use the following procedure to adjust
governor.
1. Loosen governor arm locking nut. See
Figure 3-24.
2. Move the governor arm end fully in the direction
shown (toward the electric choke solenoid) and
readjust governor screw. Tighten locking nut.
3. Start engine and run to reach operating
temperature.
4. Apply full load and turn engine speed adjustment
screw to 3600 rpm for 60 Hz generator set, 3000
rpm for 50 Hz set.
5. Check regulation by applying and removing full
load.
6. STOP generator set.
1
2
1. Mixture Screw
2. Idle Speed Screw
3. Governor Adjustment
1-829
3
Figure 3-24. Governor Adjustment
Carburetor
Governor
Adjustment
Screw
Throttle Rod/Spring
Governor Spring
Governor Cross Shaft
Governor Rod
Outer Hole
Hole Nearest
to Pivot Point
Pivot Point
Locknut
Figure 3-25. Governor Linkage
- Operation and 1
- Installation Manual 1
- California Proposition 65 2
- Table of Contents 3
- HAZARDOUS VOLTAGE/ 4
- ELECTRICAL SHOCK 4
- EXHAUST SYSTEM 5
- FUEL SYSTEM 7
- ACCIDENTAL STARTING 8
- MOVING PARTS 8
- HOT PARTS 8
- ENGINE BACKFIRE/FLASH FIRE 9
- HAZARDOUS NOISE 9
- Reference Material 11
- Commercial Vessels 12
- Additional References 12
- Routine Service Parts 13
- Glossary of Abbreviations 14
- Section 1. Specifications 16
- Generator 17
- Engine (Continued) 19
- Accessories 20
- Service Views 21
- Section 2. Operation 22
- Controller 23
- Starting 24
- Stopping 24
- Circuit Protection 25
- Engine Safety 25
- Shutdown Switches 25
- High Water Temperature 26
- Shutdown Switch 26
- High Exhaust Temperature 26
- Remote Panels (Optional) 27
- Remote Start and Four-Meter 28
- Panel Kit 28
- Service Schedule 30
- Service Schedule (Continued) 31
- Lubrication System 32
- Adding Oil 33
- Oil Change/Oil Filter Change 33
- Fuel System 34
- Fuel Pump Screen 35
- Carburetor/Choke Lubrication 36
- Carburetor Adjustments 36
- Ignition System 37
- 1. 0.028--0.031 in 39
- (0.7--0.8 mm) Gap 39
- 2. Spark Plug Electrodes 39
- Cooling Systems— 40
- Closed/Heat Exchanger 40
- Flushing and Cleaning 42
- Anticorrosion Zinc 44
- Air Cleaner and 45
- Mixing Elbow 45
- Cleaning 46
- Checking Electrolyte Level 46
- Checking Specific Gravity 46
- Charging 47
- Valve Adjustment 48
- Governor 50
- Wattage Requirements 51
- Generator Service 51
- Storage Procedure 52
- Section 4. Troubleshooting 53
- Electrical System 55
- 246482-D 57
- Electro Switch 59
- (Early Rectangular Design) 59
- (Newer Round Design) 59
- Configuration--Figure 5-4 60
- Figure 5-5 (Single Pole) 60
- 120/240- or 110/220-Volt 61
- Configuration--Figure 5-6 61
- Section 6. Installation 63
- Appliance Loads 64
- Kilowatt Derating 64
- TOTAL HOURS 65
- Fuel Systems 67
- Anti-Siphon Provisions 68
- Fuel Lines 68
- Fuel Consumption 68
- Cooling Systems 69
- Exhaust Systems 71
- Electrical Systems 74
- 1. Battery Positive (+) 75
- Connection 75
- 2. Battery Negative (--) 75
- ADV-5792-D 77
- TP-5695 12/93 81
- PRINTED IN U.S.A 81
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