

The JCB Generator G45 is a robust industrial generator designed for reliable power generation in various applications. Known for its durability and efficiency, this model ensures optimal performance and minimal downtime, making it an ideal choice for construction sites and industrial operations.
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Tensioning Guide
Belt-diagram
C-120 pulleys
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Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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JCB Generator G45
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Engine Fuel Filter Replace
Make the machine safe
Get access to the engine compartment
Remove the sensor housing
Unscrew and remove the filter element
Fit a new element. Lubricate the gasket of the new cartridge. Do not fill the new cartridge with fuel
Refit the sensor housing
Bleed the fuel system
Close the engine cover
Sign off on the fuel filter replacement
Fuel System Check
Make the machine safe
Access to the engine compartment obtained
Engine compartment, fuel lines and the area below checked for leaks
Is there any leak?
If necessary, contact your JCB dealer
Sign off on the fuel system check
Drive Belt Adjustment
Loosen the alternator mount bolts. Do not remove them.
Pull the alternator outwards as shown to tension the belt.
Hold the alternator in position and tighten the mount bolts.
Tighten the alternator mount bolts to correct torque value.
Check the belt tension, if necessary repeat the steps from 1 to 4.
Install the belt cover.
Engine Oil Replace
Warning: Hot oil and engine components can burn you. Make sure the engine is cool before doing this job.
Used engine crankcase lubricants contain harmful contaminants. In laboratory tests it was shown that used engine oils can cause skin cancer.
CAUTION It is illegal to pollute drains, sewers or the ground. Clean up all spilt fluids and/or lubricants.
Used fluids and/or lubricants, filters and contaminated materials must be disposed of in accordance with local regulations. Use authorised waste disposal sites.
Make the machine safe.
Get access to the engine.
Remove the oil filler cap.
Remove the engine oil drain plug. Drain the oil in to a suitable container.
Clean the drain plug. Install the drain plug. Tighten the drain plug to the correct torque value.
Battery Electrolyte Level Check
WARNING Do not top the battery up with acid. The electrolyte could boil out and burn you.
Maintenance free batteries used in normal temperate climate applications should not need topping up. However, in certain conditions (such as prolonged operation at tropical temperatures or if the alternator overcharges) the electrolyte level should be checked as described below.
1. Open the battery access panel and get access to the battery.
2. Disconnect the battery.
3. Remove the battery from the machine.
4. Remove the covers.
5. Look at the level in each cell.
5.1. Make sure that the electrolyte is above the plates by specified value.
Length/Dimension/Distance: 6mm
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