88l Detroit-d #2
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- Rotation is determined either left handed or right hand viewed from what direction of the engine
Cylinder banks designation is determined either the left bank or the right bank viewed from which direction of the engine
Rear of the engine
Where is the governor mounted and how is it driven
Mounted on the front end of the forward blower
Driven by a blower rotor shift
What type of fuel pump is on a Detroit diesel 12-v71
Positive displacement gear type pump
Where is the fuel pump mounted
To the governor housing and driven off the end of the right hand blower rotor
Which way does the fuel pump always rotate
Left handed rotation
The fuel pump is incorporated with a valve. Tell me what type and is it normally open or closed.
- Spring loaded relief valve
- Normally closed
On the fuel pump the relief valve will open at what psi and where does the fuel go when open.
- Fuel will bypass from the outlet side to the inlet side.
When installing flared end fuel pipes what type of torque do you use
Inch pound torque
What type of fresh water pump does the 12v-71 use
Centrifugal type pump
Where is the water pump located
Mounted on the front cover of the engine
What is the fresh water pump driven by
By the camshaft
What regulate the flow of coolant with in the cooking system
Where is the starting motor located and what does it use
- Mounted on the flywheel house
- Used hydraulic fluid
Where does the oil flow starting from the oil pan.
Oil pan,intake screen,pipe into the oil pump where its pressurized,then to the oil filters, threw oil cooler ,into the oil galleries in the cylinder block
Where is the oil pump pressure relief valve located and what psi is it set at.
Between the oil pump outlet and the cylinder block vertical gallery.
Where does the oil pump pressure relief valve release the oil to
What stabilizes lubricating oil pressure in the engine at all speeds regardless of the oil temperature
Where is the regulator valve located and what psi does it open
Beneath cylinder block, lower end of the vertical oil gallery opposite side of oil cooler
Where is the oil pump located
Mounted on the first and second main bearing cap inside oil pan
What type of oil pump is on the 12-v71
Positive displacement gear type
What drives the oil pump
Front end of the crankshaft
Before attempting to change the block bores what must be done
When performing hone what percent must be cleaned
When performing a block to bore clearance how many locations, how many measurements per location at what degree apart from each other
- 6 different location
- 4 measurements per location
- 90 degree apart
If metal particles are on the cylinder how can they be removed
Coarse flat stone
Why must cylinder liners be honed
- To break the glaze
- Remove ridges
Loose or improperly seated injector tubes may result in what
- Compression leaks into cooking system
- Result in loss of engine coolant
Exhaust Valve, valve bridge and cam followers are lubricated how
From overflow oil from the rocker arms
When Removing the rocker arm shaft what do you not do and why
- Force the rocker arms all the way back with the shaft in place
- May impose load that will bend push rods
A damaged rocker arm can cause what
Side load and weaken push rod
Cylinder head can be inspected by one of the following methods what are they
- Magnetic particle method
- Fluorescent penetrant method
- Non fluorescent penetrant method
- Pressure test method
Before can followers are installed what do you do
Immerse them in clean cindol 1705 heated to 100-125 for at least 1hr
Can you clean the push rods, springs and spring seats in clean fuel oil
Yes the dry with compressed air
How should the cam followers be cleaned and how should they not be cleaned
- Lubricating oil or cindol 1705
- Not with fuel oil
Water and oil passages between the cylinder head and cylinder block are sealed how.
Synthetic rubber deal rings
Where is the camshaft located
In the top of the cylinders
What is the camshaft driven by
Off the gear train in the flywheel housing
All of the main bearing and connecting rod bearing load is carried where
On the lower bearing
All crankshaft main bearing journals are drilled for an oil passage except
Can a cross head piston and a trunk piston be used together why or why not
- because of weight difference
The crosshead piston has how many pieces to it and what are they called
The crosshead piston consist of how many different types of rings, what are they and how many of each one
- 1 fire ring
- 2 compression rings
- 2 oil control rings
On the crosshead piston what is the too firing ring known as
Can you wire brush the piston skirt
If compression rings are worn or stick what kind of effects will it have on the engine
- Engine hard to start
- Runs rough
- Lacks power
Before installing the piston rings what must you do
Lubricate piston rings and piston with stp/engine oil mix
Heat sensitive fuse plugs are installed in the exhaust manifold side of the v-71 cylinder heads the plug will melt at what degree
After the cylinder head has been disassembled and all of the plugs have been removed how do you clean it
Thoroughly steam clean
if a cylinder head is to be refaced do not remove more metal from the fire deck of any cylinder head below the mininum distance of what.
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