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The types of generator sets leased by Ningbo Rixin Power Technology Co., Ltd. are:
◆ Open Cummins diesel generator: ordinary generator set, suitable for customers who have a power house or full of rainproof facilities. Disadvantages of open-type generator set rental: ● It is louder than the silent type generator set and is not suitable for use in environmental conditions requiring very low noise; ● It cannot be used outdoors in rainy or snowy days.
◆ Anti-speaker Cummins diesel generator: Silent unit, ● Suitable for places with strict requirements on environmental noise, such as large concerts, exhibition halls, urban subway construction, etc. The noise is generally 75 decibels, and the ultra-quiet type is 60 decibels Within. Disadvantages of silent generator leasing: ● The unit itself is heavier than the open type unit, and the long-distance transportation cost is high. ● Not suitable for use in high temperature environments. ● Not affected by weather, can be used outdoors in rainy or snowy days.
◆ Rainproof Cummins diesel generator: suitable for customers without rainproof facilities.
◆ Trailer power station Cummins diesel diesel generator: ● Suitable for short-distance and often-moving equipment, such as tunnel engineering, road construction, etc. ● There are simple rain-proof type and low-noise type. ● It can be used outdoors in rainy or snowy days. Disadvantages of mobile generators: ● The unit itself is heavier than open-type units, and the cost of long-distance transportation is high.
◆ Cummins diesel generator set with fuel tank: suitable for short-term or temporary rental customers. How much is the battery for the rental of Luzhou generators? How much is the battery for technical support for the rental of Luzhou generators? How much is the battery cost for the rental of Luzhou generators? How much is the battery service center for the rental of Luzhou generators? How much is the battery price specification information query, how much is the battery rental price of Luzhou generators, how much is the battery rental price of Luzhou generators, how much is the battery rental price of Luzhou generators, near the phone, Ningbo Rixin Power Technology Co., Ltd
The battery capacity is generally expressed in AH (Ah), but the United States and Europe use the 20-hour discharge rate to calculate the ampere-hours, and Japan uses the 5-hour discharge rate to calculate the ampere-hours (JIS); there is a difference between the two, and the 20-hour discharge rate is ampere-hours. Number × 0.8 = 5 hours discharge rate ampere-hours, that is, 70 ampere-hours in the United States = JIS 56 ampere-hours (65D31R battery).
The table on the left shows the specific gravity of the electrolyte, and the remaining capacity of the battery can be found from the specific gravity. Where A is the value of 20 ° C and B is the value of 40 ° C. The battery should be recharged if it is less than 100%. Insufficient electrolyte should be replenished.
The lower the ambient temperature, the larger the starting load, and the larger the battery ampere hours required.
Approximate matching ratio of battery to starter motor:
The battery ampere-hours should be substantially equal to 50% of the rated current of the starter motor; for example, a 12V-3KW starter motor should use a 120AH battery.
When starting, if the start is unsuccessful, it should be restarted at an interval of 30 seconds.This interval will restore the battery voltage, thereby preventing the starter motor from burning out due to the low battery voltage.
Do not disconnect the B terminal of the generator from the battery while the engine is running, otherwise the generator will be damaged.
The battery connection is reversed, and the diodes and stator coils of the generator regulator will be burned. Jiangbei generator rental price, Dinghai generator rental price, how much Beilun diesel generator lease, how much Cixi diesel generator lease Putuo diesel generator How much does the machine lease, how much is Ninghai diesel generator lease, how much is Dinghai diesel generator lease, 100KW diesel generator rental price, generator lease specifications and prices, generator lease, professional diesel generator lease, new 100kw power generation Machine rental, diesel generator set rental price list, 30kw generator set rental quote, 2000kw generator rental, 200 kW generator rental, where is the cheapest rental generator, generator rental price, 200kw generator rental offer, 1200kw generator rental, lease 1100kw generator
Engine piston and connecting rod assembly
Before assembly, the Cummins ISF3.8 CM2220 engine block and all parts must be kept clean. Refer to steps 001-026 in Section 1 to inspect the cylinder wall of the cylinder block.
Clean the connecting rods and bearings with a clean, lint-free cloth.
If a new bearing is not used, the old bearing must be returned to the connecting rod and position where it was removed.
Make sure that the connecting rods and the back side of the connecting rod bearings are clean and free of debris. Do not lubricate the back of the connecting rod bearing.
Install the upper bearing bush on the connecting rod.
The bearing bush positioning tongue must be in the link positioning groove. The end face of the bearing pad must be flush with the mounting surface of the connecting rod cover.
For cross-section split connecting rods, the upper and lower Cummins ISF3.8 CM2220 engine connecting rod bearing bushes cannot be interchanged.
NOTE: If the connecting rod bushing is removed for some reason, a new bushing must be used.
Apply assembly lubricant (part number 3163087) or equivalent to the inside diameter of the bearing pad.
Apply a thin layer of clean 15W-40 engine oil to the cylinder wall.
Lubricate Cummins ISF3.8 CM2220 engine piston rings and skirts with clean engine oil.
Rotate and adjust the opening position of the piston ring as shown.
The opening of the piston ring of each Cummins ISF3.8 CM2220 engine must not be aligned with the opening of the piston pin or other piston ring. If the opening position of the piston ring is incorrect, the piston ring will not seal properly.
The piston ring was compressed using a Cummins ISF3.8 CM2220 engine piston ring compressor with part number 3164330.
Rotate the crankshaft so that the journal of the connecting rod to be installed is at bottom dead center.
Failure to follow this procedure will result in severe damage to the Cummins ISF3.8 CM2220 engine.
NOTE: The piston and connecting rod assembly must be installed in the correct position.
Align the "forward" mark and / or arrow on the top of the piston so that it points to the front of the Cummins ISF3.8 CM2220 engine. Insert the connecting rod into the cylinder bore until the piston ring compressor touches the top of the cylinder block.
The long end of the connecting rod (1) and the notch on the piston skirt (2) will be on the exhaust side of the Cummins ISF3.8 CM2220 engine. If not, verify that the piston is properly installed on the connecting rod.
Place the Cummins ISF3.8 CM2220 engine piston ring compressor against the cylinder block.
Pass the Cummins ISF3.8 CM2220 engine piston through the piston ring compressor and push it into the cylinder bore.
Push the Cummins ISF3.8 CM2220 engine piston until the top piston ring fully enters the cylinder bore.
Note: If the piston does not move freely, remove the piston and check if the piston ring is broken or damaged.
Carefully push the Cummins ISF3.8 CM2220 engine piston into the cylinder bore while guiding the connecting rod to the crankshaft journal.
Note: If a new bearing is not used, the old bearing must be replaced on the same connecting rod cover where it was removed.
Install the bearing on the connecting rod cover.
The bearing locating tongue (2) must be in the connecting rod cover locating groove (1).
Lubricate the inside diameter of the bearing pad with assembly lubricant (part number 3163087) or equivalent.
Lubricate the connecting rod screw threads with clean 15W-40 engine oil and the lower part of the connecting rod screw threads.
When removing the connecting rod cover, do not damage the connecting rod or the split surface of the connecting rod cover. If the fractured surface is damaged, the connecting rod and connecting rod cover must be replaced, which helps reduce the possibility of damage to the Cummins ISF3.8 CM2220 engine.
Cummins ISF3.8 CM2220 engine connecting rods and connecting rod covers must be numbered the same and must be installed in the correct cylinder. The number of the connecting rod cover and the connecting rod must be on the same side of the connecting rod, so as to prevent the Cummins ISF3.8 CM2220 engine from running and causing damage to the Cummins ISF3.8 CM2220 engine.
Install the connecting rod cover and screws.
Use the marked sleeve and torque wrench to tighten the connecting rod screws.
Use the torque plus angle method to tighten the connecting rod screws in an alternating sequence.
30 nm [22 ft-lb]
60 nm [44 ft-lb]
Rotate 60 degrees clockwise
Do not measure the backlash between the connecting rod cover and the crankshaft.
Measure the backlash between the Cummins ISF3.8 CM2220 engine connecting rod and crankshaft.
Cummins ISF3.8 CM2220 engine connecting rod and crankshaft backlash
Measure the protrusion of the Cummins ISF3.8 CM2220 engine piston on the combustion surface of the cylinder block.
NOTE: This step is required only after the piston, crankshaft, connecting rod, or cylinder has been changed / replaced.
Measure Cummins ISF3.8 CM2220 engine piston protrusion. Use a depth gauge assembly (part number 3823495). No classification of piston or cylinder head gaskets is required.
Install a dial indicator on the cylinder head and reset it to zero.
Move the dial indicator directly above the piston pin to eliminate any lateral movement. Do not place the dial indicator on the anodized area.
Rotate the crankshaft of Cummins ISF3.8 CM2220 engine to top dead center. Turn the crankshaft clockwise and counterclockwise to find the maximum reading of the dial indicator. Record the measurement results.
If the Cummins ISF3.8 CM2220 engine piston protrusion does not meet the technical specifications, verify that the correct parts are installed and / or that the combustion surface of the cylinder block is not machined properly. Refer to steps 001-026 in Section 1.
When installing the Cummins ISF3.8 CM2220 engine connecting rod cover, check whether it can rotate freely. If the crankshaft does not turn freely, check the installation and dimensions of the connecting rod bearing.
Cummins ISF3.8 CM2220 engine piston cooling nozzle
Rotate the crankshaft as needed and install piston cooling nozzles and / or screws one cylinder at a time.
Use a long sleeve to drive the extension and install the screws and / or piston cooling nozzles in place.
Note: For proper alignment, the piston cooling nozzle positioning pin must engage the positioning hole in the cylinder.
Tighten the screws.
Cooling nozzle screw 15 nm [133 in-lb]
Cummins ISF3.8 CM2220 engine rear gear room
Apply a circle of sealant (part number 3164070) with a width of 1.5 to 2.0 mm [0.06 to 0.08 in] on the cylinder block side of the gear housing cover of the Cummins ISF3.8 CM2220 engine along the track shown.
Make sure there is a layer of sealant at the intersection of the cylinder block, oil pan and gear chamber.
Note: Install the gear chamber within 10 minutes after applying the sealant, otherwise the sealant will not seal properly. Once installed, allow the sealant to dry for 30 minutes before running the Cummins ISF3.8 CM2220 engine.
Tighten the screws as shown.
M12 77 nm [57 ft-lb]
M10 47 nm [35 ft-lb]
M8 24 nm [212 in-lb]
Cummins ISF3.8 CM2220 engine tappet
Insert the groove from the Cummins ISF3.8 CM2220 engine tappet replacement kit (part number 3822513) to the full length of the cam hole.
Put the Cummins ISF3.8 CM2220 engine tappet installation tool down into the push tube hole and insert it into the guide slot through the tappet hole.
Carefully pull the metal slot / installation tool to the front of the Cummins ISF3.8 CM2220 engine to feed the installation tool into the camshaft mounting hole. Obstacles at the rear of the groove will pull the tool out most of the time.
Lubricate the tappet using assembly lubricant (part number 3163087) or equivalent.
To facilitate the removal of the installation tool after installing the lifter, insert and remove the installation tool several times before installing the lifter.
Insert the installation tool (slotted plug with wire) into the tappet.
Slide the guide groove into the camshaft hole.
Pull the installation tool and Cummins ISF3.8 CM2220 engine lifter out of the camshaft hole and into the lifter hole.
If you encounter difficulties when the tappet falls into the guide slot, bend the guide slot upwards, turn it into the tappet hole, and pull the guide slot out enough length to make the tappet fall and align naturally with the tappet hole.
Pull the lifter up into the hole.
After the tappet Cummins ISF3.8 CM2220 engine is installed in place, push the metal groove into the camshaft hole again and rotate it ½ turn. This will bring the curved portion of the metal slot up to support the tappet in place.
Remove the installation tool from the tappet.
Install the wooden dowel pin on top of the tappet.
Wrap a rubber band around the wooden pin to secure the tappet.
Repeat this process until all tappets are installed.
Cummins ISF3.8 CM2220 engine camshaft
Apply assembly lubricant (part number 3163087) to the rear camshaft hole of the Cummins ISF3.8 CM2220 engine.
Note: Each time the camshaft is removed from the Cummins ISF3.8 CM2220 engine, the camshaft oil seal behind the crankcase breather tube flange mount must be replaced. Refer to steps 003-018 in Section 3 to change the oil seal after mounting the camshaft on the Cummins ISF3.8 CM2220 engine.
Lubricate camshaft cams, journals, and thrust washers with assembly lubricant (p / n 3163087).
The Cummins ISF3.8 CM2220 engine gear puller (part number ST647) or equivalent is connected to the camshaft end where the camshaft gear is installed, and it can be used as a handle. This will act as an appropriate lever for easy installation of the camshaft.
Before installing the camshaft, make sure that the tappet is fully inserted into the tappet hole. If the lifter is not fully inserted, the camshaft and / or lifter may be damaged during installation.
Note: For clarity, the Cummins ISF3.8 CM2220 engine in the illustration below is placed vertically.
Do not force the camshaft into the camshaft hole, as this will damage the camshaft bushing.
Installed Cummins ISF3.8 CM2220 engine camshaft. As you advance lightly, rotate the camshaft and carefully pass the camshaft through the camshaft bushing. As each camshaft journal passes through the bushing, the camshaft sinks slightly and the camshaft cam is fixed in the bushing. Rotating the camshaft will disengage the cam from the bushing and allow the camshaft to be installed.
Install Cummins ISF3.8 CM2220 engine thrust plate.
Torque: 24 nm [212 in-lb]
Cummins ISF3.8 CM2220 engine camshaft gear (camshaft is installed)
In order to avoid damage to the Cummins ISF3.8 CM2220 engine, the camshaft must be able to rotate freely.
Align the Cummins ISF3.8 CM2220 engine camshaft gear with the pin on the camshaft and mark the crank gear.
Install the Cummins ISF3.8 CM2220 engine camshaft gear on the camshaft.
Check and make sure that the timing marks on the camshaft gears of the Cummins ISF3.8 CM2220 engine are aligned with the timing marks on the crank gear. If equipped with an air compressor, ensure that the marking line drawn on the camshaft gear during the camshaft gear removal step is aligned with the marking line on the air compressor gear. If the above operation is not performed, refer to the air compressor timing steps. Refer to steps 012-014 in Section 12.
Note: Cummins ISF3.8 CM2220 engine can be marked on both the crank gear and the chamfered gear teeth.
Install and tighten the Cummins ISF3.8 CM2220 engine camshaft gear screws.
Torque: 36 nm [27 ft-lb]
Installed Cummins ISF3.8 CM2220 engine crankcase breather disc. Refer to steps 003-002 in Section 3.
Cummins ISF3.8 CM2220 engine block reinforcement plate
Note: The cylinder reinforcement plate must be installed so that the central rib is bent away from the cylinder to ensure the correct clearance with the cylinder main cover.
Install Cummins ISF3.8 CM2220 engine block reinforcement plate.
Install Cummins ISF3.8 CM2220 engine block reinforcement plate mounting screws.
Cummins ISF3.8 CM2220 engine block stiffener screw 43 nm [32 ft-lb]
Cummins ISF3.8 CM2220 engine oil pan
NOTE: If a new front cover gasket is installed, do not scrape off the sealant extruded from the new front cover gasket. It is only necessary to apply additional sealant to the T-junction between the cylinder block and the rear shell.
If a standard oil pan is used on the Cummins ISF3.8 CM2220 engine rear gear train Cummins ISF3.8 CM2220 engine, the oil sump at the junction of the cylinder block and the front gear chamber cover and the junction of the cylinder block and the rear gear chamber Apply a 2 mm [1/16 in] sealant (part number 3164070) to the housing mounting surface.
Confirm that the seals are in place in the grooves around the oil pan and that there is inorganic oil on the oil pan and seal.
Tighten all screws in the order shown in the figure.
Torque: 24 nm [212 in-lb]
Do not overtighten the drain plug. Overtightening will damage the plug and / or oil pan.
Clean and inspect the threads and sealing surfaces of the drain plug.
Lubricate the drain plug with clean Cummins ISF3.8 CM2220 engine oil before installing the drain plug.
Install and tighten the oil pan drain plug.
Torque: 24 nm [212 in-lb]
Cummins ISF3.8 CM2220 engine cylinder head
Ensure that the gasket is properly aligned with the hole in the cylinder. If the gaskets are not aligned properly, the cylinder may be damaged.
Install the Cummins ISF3.8 CM2220 engine head gasket. Refer to steps 002-021 in Section 2.
Carefully place the Cummins ISF3.8 CM2220 engine cylinder head on the cylinder block and seat it on the positioning pin.
Use clean engine oil to lubricate the threads of the cylinder head mounting screws and under the screw ends.
Install the screws and tighten them by hand.
Tighten the cylinder head screws in the order shown.
Tighten the bolts.
70 nm [52 ft-lb]
Loose 180 degrees
60 nm [44 ft-lb]
Repeat the torque of 60 N • m [44 ft-lb], turn the screw 90 degrees clockwise, and then turn the screw 90 degrees clockwise.
Cummins ISF3.8 CM2220 engine cylinder head gasket
A new gasket must be installed. Do not continue to use old gaskets.
Install the cylinder head gasket.