Cummins Fire Pump Drive Engines Belt Guard Removal/lnstallation Guide

 This article mainly introduces  cummins Fire Pump Drive Engines Belt Guard Removal/lnstallation Guide

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AWARNING!
Coolant is toxic. Keep away from children and pets. If not reused, dispose of in accordance with local environmental regulations.
AWARNING!
A Do not remove the pressure cap from a hot engine. Wait until the coolant temperature is below 50℃[122F] before removing the pressure cap(Cummins Fire Power Part No.11407). Heated coolant spray or steam can cause personal injury.

1，Place the fire protection system in a safe mode for engine service.Place the AUTO/MANUAL rocker switch in the MANUAL position.

2，Disconnect or isolate the coolant heater power supply.

3，REMOVE BATTERY POWER BEFORE SERVICING ENGINE OR CONTROLS For safety reasons, both batteries must be disconnected before performing service on the Firepump Engine or on any of its controls.
Before disconnecting the batteries, place the Firepump Controller in its appropriate serviceposition in order to avoid a "Battery Failure"
alarm.
Wear safety glasses when disconnecting batteries!
Next, disconnect both batteries at their terminals.

4，Ensure that the engine and engine coolant is cool in order to avoid burns.
Remove the engine coolant pressure cap,
(Cummins Fire Power Part No.11407).


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5，CFP83-F10, F20, F30 Only
Open the aftercooler coolant vent.

6，Drain the engine coolant system. Refer to Drain
and Flush Coolant System in Section 5.

7，Remove the Upper Engine Coolant Hose from
the heat exchanger.
Remove the Lower Engine Coolant and Fill Hose
from the heat exchanger.
Remove the Coolant Vent Hose from the heat
exchanger.

8，Remove
Drain the coolant from the coolant heat
exchanger. Refer to Drain and Flush Cooling
System in Section 5.
Remove the Coolant Heat Exchanger’s Coolant
Outlet Hose and Vent Hose. Refer to Coolant
Hose Removal / Installation in this section.
Remove the three bolts and the belt guard

 

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9 ，Install
NOTE: Install only Cummins approved
replacement belt guard (Cummins Fire Power
Part No. 9625 [CFP83- F10, F20, F30] or Part
No. 9627 [CFP83- F40]).
When other work is completed, install the belt
guard using the three bolts.
Torque as per Capscrew Markings and Torque
Values in Section 10.
Install the Coolant Heat Exchanger’s Coolant
Outlet Hose and Vent Hose. Refer to Coolant
Hose Removal / Installation in this section.
Refill the coolant. Refer to Drain and Flush
Cooling System in Section 5.

10，Follow-Up
Install the Upper Engine Coolant Hose at the
heat exchanger.
Install the Lower Engine Coolant and Fill Hose at
the heat exchanger.
Install the Coolant Vent Hose at the heat
exchanger

11，CFP83-F10, F20, F30 Only
Close the aftercooler coolant vent.

12，Close the coolant drain valve.

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13，Refill engine coolant as required Refer to Drain
and Flush Coolant System in Section 5.
Install the coolant system pressure cap
(Cummins Fire Power Part No.11407).

14，Reconnect the coolant heater power supply.

15，For safety reasons, both batteries must be reconnected before putting the engine and fire
        protection system controller back in service.
        Wear safety glasses when reconnecting
        batteries!
       Reconnect the batteries at their terminals after all
       service work has been completed.

16，NOTE: Start the engine and do a quick check for
       leaks. If any coolant leaks are observed, stop the
       engine, repair the leak, check coolant level, then
       restart the engine.
       Start the engine. Refer to Normal Local Starting
       Procedure in Section 3.
       Check for and repair any coolant leaks.
       Ensure that repairs are completed satisfactorily.
       Stop the engine.
       Place the AUTO/MANUAL rocker switch in the
       AUTO position.
       Return the fire protection system to operating
       status

DooSan Diesel Engline D18NAP Injector Disassembly Guide

         
             
   This article mainly introduces DooSan Diesel Engline D18NAP  Injector Disassembly

1. Remove the breather hose

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CAUTION
Do not reuse the clamps but replace with new ones.
2. Remove the common rail and the injection pipes

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1) Loosen the fixing bolt (E).
2) Loosen the nuts of the fuel injection pipes.
3) Remove 4 fuel injection pipes (C) and (D)

CAUTION
Do not reuse fuel injection pipes; replace them
with new ones. If fuel injection pipes are reused
it may allow foreign substances into the fuel
pipes or cause oil leaks from bolt clamping and
cause a critical fault in engine performance.
4) Loosen 2 collared hex bolts (B) of the common rail.
5) Remove the common rail (A) from the intake
manifold.
3. Remove the glow plug.

1) Loosen 3 hex nuts (D) and remove 3 washers (C).
2) Remove the electric connector (B) and 3 glow
plugs (A).
4. Remove the fuel return hose

1) Loosen the flange hex bolts (C).
2) Remove the hose clips and disconnect the fuel
hose (A)
5. Remove the right and left cylinder head cover.


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1) Loosen 8 flange hex bolts (D).
2) Remove the right cylinder head cover (C).
3) Loosen 10 flange hex bolts (B).
4) Remove the left cylinder head cover (A).
6. Remove the injectors

1) Loosen 3 hex bolts (D).
2) Remove 3 injector fixtures (C).
3) Remove 4 injectors (B).
4) Remove 3 injector seal ring washers (D)

CAUTION
• Do not reuse the head cover rubber seal and
the injector oil seal but replace with new
ones.
• Be careful not to damage the injector oil seal
of the cylinder head cover.
• Remove it by turning the injector slowly from
left to right

Removal and Installation Guide for JCB Backhoe Loader Arm Safety Brace

                   
  This article mainly introduces Removaland Installation of the  JCB Backhoe LoaderLoader Arm Safety Strut

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Installing
Install the loader arm safety strut as detailed below before working underneath raised loader arms.

AWARNING
Raised loader arms can drop suddenly and cause serious injury. Before working under raised loader arms, fit the loader arm safety strut.

 1 Empty the Shovel and Raise the Loader Arms fully.

2  Stop the Engine Remove the starter key.
AWARNING You could be killed or injured if the loader control is accidentally operated. Make sure no-one comes near the machine while you release the safety strut.

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3 Release the Strut
a Release fastener A.
b Remove strut C from its stowage bracket.

4 Install the Strut a Push strut Cover the ram piston rod.

b Secure the strut in position with strap B.

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5 Lower the Strut Onto the Cylinder To prevent any chance of the loader arms creeping down and trapping your fingers, the loader arms should be carefully lowered onto the safety strut as shown.
   Start the engine and slowly lower the loader arms onto the safety strut, stop the movement immediately the weight of the loader arms is supported by the safety strut.
Note: When lowering the loader, operate the control lever carefully.' Feather' the lever to lower the loader very slowly.
Removing
1 Fully Raise the Loader Arms To take the weight off the safety strut.
2 Stop the Engine Remove the starter key.
   AWARNING You could be killed or injured if the loader control is accidentally operated. Make sure no one comes near the machine while you remove the safety strut.
3 Remove the Strut a Undo the strap B.
   b Remove the strut C from the ram piston rod.
4 Stow the Strut Secure the strut in its stowage position with fastener A.

Yanmar 3JH2 Series Maring Diesel Engine Inspection of fuel injection pump Guide

 This article mainly introduces Yanmar 

 

3JH2 Series Maring Diesel Engine  Inspection of fuel injection pump

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(1) Inspection of plunger
1) Thoroughly wash the plungers, and replace plungersthat have scratches on the plunger lead or are dis.
colored.
2) The plunger is in good condition if it slides down smoothly when it is tiited about 60. Repeat this several times while turning the plunger. Repair or replace if it slides down too quickly or if it stops part way.

(2)Inspection of delivery valve

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1) Replace as a set if the delivery valve suck-back collar or seat are scratched, scored, scuffed, worn, etc.
2) The valve is in good condition if it returns when released after being pushed it down with your finger(while the holes in the bottom of the delivery guide seat are covered). Replace if necessary.
3) Likewise, the valve should completely close by its own weight when you take your finger off the holes in the bottom of the delivery guide sheet.
NOTE: When fitting new parts, wash with diesel oil and perform the above inspection.

(3) Inspection of pump
1) Inspect for extreme wear of roller guide sliding surface. Scratches on the roller pin sliding surface are not a problem.
2) Inspect the plunger barrel seat.
If there are burrs or discoloration, repair or replace as this will lead to dilution of the iubricant.

(4) Inspection of fuel camshaft and bearings
1) Fuel camshaft Inspect for scratches or wear of camshaft, deformation
of key grooves and deformation of screws on both ends, and replace if necessary.
2) Bearings Replace if the taper rollers or outer race surface is flak-
ed or worn.
NOTE: Replace fuel camshafts and bearings together.

(5) Inspection of roller guide assembly
1) Roller

NOTE: Replace fuel camshafts and bearings together.
(5) Inspection of roller guide assembly
1) Roller

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Replace if the surface is worn or flaked.
2) Rolter Guide Replace if the outer roller pin hole is extensively worn or there are many scratches.
3) Replace if the play of the roller guide assembly pin/roller is 0.2mm(0.0078in.) or more.

4) Injection timing adjustment boft Replace if the surface in contact with the plunger side is unevenly or excessively worn.

(6) Inspection of rack and pinion

1) Rack
Inspect for bending of rack and wear or deformation of fit with pinion.
2) Pinion Inspect for wear or deformation of fit with rack.
NOTE: If the tooth surface or sliding surlace is not in good working order, rack resistance increases, affecting the condition of the engine (rough rom, over running, etc.).
(7) inspection of plunger spring and delivery spring Inspect springs for scratches, cracks, breakage, uneven wear and rust.

(8) Inspection of oil seais Inspect oit seals to see if they are burred or scratched.

(9) inspection of roller guide stop Inspect the side of the tip, replace if excessively worn.

(10) Inspection of O-rings Inspect and replace if they are burred or cracked.

Perkins Engine Ignition Coil-Remove and Install Gudie

   Perkins 2806F-E18TA Industrial Engine Ignition Coil-Remove and Install
                
  Removal Procedure：
1.Turn the battery disconnect switch to the OFF position.

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2. Disconnect harness assemblies(1) from ignition coil(4).

3. Disconnect high tension lead(2) from ignition colil
(4).
4. Remove bolts (5) from ignition coil(4). Ensure ground strap(3) is not strained as the bolts are removed.

5. Remove ignition coil(3) from the bracket.

6. If necessary, follow Step 6.a through Step 6.b to remove high tension lead(2).
a. Make temporary mark on position of cable straps(6). Cut the cable straps from high tension lead(2).
b. Disconnect high tension lead(2) from the spark plug and remove the high tension lead.

Installation Procedure：
1. Ensure that all components are free from wear and damage.

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2. If necessary, follow Step 2.a through Step 2. cto remove high tension lead(2).
a. Position high tension lead (2) onto the bracket for the diesel particulate filter.
b. Connect high tension lead(2) to the spark plug.
c. Install new cable straps(6) to high tension lead
(2). Ensure that the cable straps are replaced in the original position.
Note: Ensure that the cable straps meet Original Equipment Manufacturer (OEM) specifications.

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3. Position ignition coil (3) onto the bracket. Install bolts(5) to the ignition coil and ground strap(3).
Tighten the bolts to a torque of 12 N·m(106 lb in). Ensure that the ground strap is not strained as the bolts are tightened.

4. Connect high tension lead (2) to ignition coil(4).

5. Connect harness assemblies(1) to ignition coil(4).

6.Turn the battery disconnect switch to the ON position.

Komatsu of Engine Hood Removal and Installation Gudie

 This article mainly introduces Removal and Installation Komatsu WH716-1 of ENGINE HOOD

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Removal
1 -Lift the engine hood (1).

2 -While supporting the engine hood, loosen and remove
the screws (2) retaining the hinges (3).

3 -Remove the cotter pin (4), the backing washer, and disconnect the gas damper (5) from its support (6).
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4 -Lower the hood and place an anti-slip block (A) between
lower edge of hood and body; then, strap the hood and
connect it a hoist.
5 -Remove the hood (1).


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Installation
• To install, reverse the removal procedure.
[*1]
1 -Adjust the position of the hood, ensuring that the lock assembly (7) is centred in relation to the retaining hook (8).

2 -Adjust the hinges vertically (3) to allow the closure sealing strip (9) to evenly rest along the length of the hood.

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3 -Adjust the hinges (3) horizontally until full contact between the sealing strip (10) and the engine-transmission
mount (11) is achieved.

Yanmar Maring Diesel Engine Disassembly of Fuel Injection Pump Guide

  Yanmar 3JH2 Series  Maring Diesel Engine Disassembly of fuel injection pump guide  

 

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 When disassembling the fuel pump, separate the parts for each cylinder and be careful not to get them mixed up.
Be especially careful to keep the plunger/plunger barrel, delivery valve/delivery valve seat and other assemblies separate for each cylinder (the parts of each assembly must be kept with that assembly and put back in the same cylinder).
Preparation
1. Wash off the dirt and grease on the outside of thepump with cleaning oil(kerosene or diesel oil) before disassembly.
2. Perform work in a clean area.
3. Take off the fuel pump bottom cover and remove lubri.
   cant oil.
4. Turn the fuel pump upside down to drain fuel oil.

(1)Loosen the nut with a box spanner and take it off, holding it with the hole in the fuel coupling ring or holding the coupling with a vise and take out the governor weight assembly.

(2) Remove the fuel feed pump.
NOTE: Do not disassemble the fuel feed pump. See in-
structions for fuel feed pump for details.

(3) Remove the fuel pump side cover.

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(4) Turn the camshaft until the roller guide is at themaximurm head, and insert the plunger spring support plate in between the plunger spring washer B lower side) and fuel pump unit.

NOTE: If the camshaft does not turn, put double nuts on the end of the cam shaft or remove the coupling.
(5) Remove the camshaft wood ruff key.
(6) Put a screwdriver in the two grooves on the camshaft bearing holder mounting surface, and pull out the cam-
shaft bearing hotder.

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NOTE:
1.Be sure not to damage the oil seal with the threaded part of the camshaft.
2.Be careful not to loosen the shims in between the pump and bearing holder.
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(7) Turn the fuel pump upside down, move all the roller guides to the plunger side, and then put the pump on its side. Turn the camshaft to a position so that none of the cylinder cams hit the tappets.
(8) Put a plate against the governor end side of the cam-
shaft and lightly tap it, and pull out the camshaft and drive side bearing.

(9) Remove the roller guide stop.

(10) Use a hammer handle or the like to push up the roller guide from the bottom of the pump, and remove the plunger spring support plate.

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NOTE: The plunger spring may make the roller guide and plunger, etc. fly out when the plunger support plate is removed.


(11) Remove the roller guide.

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NOTE: When you stand the fuel pump up, all of the roller guides drop out at one time. Therefore, first remove the stop bolt for one cylinder at a time, and then the roller guide for each cylinder-continue this process.

(12) Remove the plunger, plunger spring and lower washer from the lower part of the pump.

NOTE:Keep the parts separate for each cylinder.

(13) Loosen the small screw on control pinion.

NOTE:1. Check to make sure the match marks on the pinionlsleeve are correct before loosening the small screw on the control pinion, as the pinion and sleeve come apart when the screw is loosened. If the mark is hard to read or off center, lightly inscribe a new mark. This will serve as a guide when adjusting injection volume later.

(14) Remove the control pinion, sleeve and upper rest.


NOTE:
Keep parts separate for each cylinder.


(15) Remove the con: rol rack stop boit and remove the rack.

NOTE:Be careful not to lose the spring or rest on the control rack.

(16) Loosen the delivery valve retainer stop bolt, and remove the dellvery valve hoider stop.

(17) Remove the delivery valve holder.

(18) Remove the delivery valve assembly.

NOTE:1. Be careful not to lose the delivery valve pack-
ing. delivery valve spring, delivery valve stopper or other small parts.
2. Keep the delivery vave assemblies for each cylinder clearly separated.
(19) Take the plunger barel out from the top of pump.

NOTE:Keep it as a set with the plunger that was remo.
ed earlier