帕金斯柴油發(fā)動(dòng)機(jī)機(jī)油冷卻器3012維修保養(yǎng)技術(shù)參數(shù)資料
帕金斯柴油發(fā)動(dòng)機(jī)機(jī)油冷卻器3012維修保養(yǎng)技術(shù)參數(shù)資料
Heat exchanger (oil to coolant) - early
熱交換器（潤(rùn)滑油）-早期
1 Remov e the
drain plug from under the outlet
1移除螺塞從下口
connection of the coolant pump
and drain the coolant
冷卻液泵的連接和排空冷卻液
of the engine into a suitable
container. Place another
發(fā)動(dòng)機(jī)變成一個(gè)合適的容器。另一個(gè)地方
suitable container below, and
to the rear of, the
合適的容器下面，和后面的
lubricating oil filters. Remove the drain
plug at the
潤(rùn)滑油過(guò)濾器。拆下排水塞
rear of the heat exchanger to drain the
engine
換熱器后部的發(fā)動(dòng)機(jī)
lubricating oil. Use the strap wrench, 21825 825,
to
潤(rùn)滑油。使用帶扳手，825 21825，以
remove the filter canisters
(A6).
拆下過(guò)濾罐（A6）。
2 Release the hose clips and remove the
delivery
2松開(kāi)軟管卡子并拆下輸送
pipe between the front end of the tube stack and
the
管之間的管和管的前端
coolant gallery of ’B’ bank.
'乙'銀行的冷卻液庫(kù)。
3 Release
the hose clips and slide the hose at the
3松開(kāi)軟管卡子并將軟管滑到
inlet for the
coolant away from the rear end of the tube
冷卻液從管的后端的入口
4 Remove the s ix
bolts (A5) which retain the heat
4取出6螺栓（A5），保留熱量
exchanger and lift the
assembly away from its
換熱器，并從其
mounting adaptor.
安裝適配器。
1 Fit a new
hose, and the two hose clips, onto the end
1安裝一個(gè)新的軟管和軟管卡子，到最后
of the pipe
on the discharge side of the coolant pump.
在冷卻液泵的排出側(cè)管中的管道。
2 Check that
four new ’O’ rings (A1) are fitted into
2檢查四個(gè)新的O型圈（A1）是裝在
their locations
in the joint face of the heat exchanger
換熱器接頭面位置
and ensure that the ’O’
rings remain in their positions
確保'澳'戒指留在他們的位置
during the operation. Use
suitable guide studs, which
在操作過(guò)程中。使用合適的導(dǎo)向螺柱
are made locally, to fit the
assembly of the heat
都是在本地制造的，以配合裝配的熱量
exchanger to the adaptor. Insert
the six bolts,
適配器換熱器。插入六個(gè)螺栓，
complete with plain and spring washers, and
tighten
用平和彈簧墊圈完成，并擰緊
them evenly and securely.
它們均勻且安全地。
3 Fit a
new hose and the two hose c lips onto the
3安裝一個(gè)新的軟管和軟管的嘴唇上的
coolant elbow
on the discharge side of the heat
熱端的冷卻液彎頭
exchanger.
換熱器。
Check
that the faces of the inlet to the coolant gallery
檢查進(jìn)冷卻液庫(kù)的入口的面
and the
flange of the inlet pipe are clean. Use a new
和進(jìn)口管的法蘭是干凈的。使用一個(gè)新的
gasket
and fit the pipe to the coolant gallery, insert the
墊片，安裝到冷卻液管內(nèi)，插入
four
bolts, complete with plain washers and new
四個(gè)螺栓，用平墊圈和新的
spring washers,
and tighten securely.
彈簧墊圈，并牢固地緊固。
Slide the two hoses over the junctions of the pipes
and align and tighten the four hose clips.
5 Fill three new filter canisters with clean engine
lubricating oil and fit them onto the adaptors on the
heat exchanger until the rubber sealing rings are just
in contact with the s eats of the housing. Tighten each
canister a further /4 turn by hand. Do not overtighten
the canisters.
6 Fit the drain plug for the engine lubricating oil.
7 If the engine lubricating oil c an be used again,
return it to the sump and fill the sump with new and
clean oil to the ’Full’ mark on the dipstick, if necessary.
8 Check that the drain plugs for coolant are secure
and fill the cooling system. Add more coolant, of the
same specification as that already in use, if
necessary.
To dismantle and to assemble 19-11
To dismantle
Refer to the illustration (A) on page 145.
1 Remove the two small bolts (A2 and A3) and the
washers which retain the tube stack (A7) in the
housing. Push the tube stack to the rear and remove
the ’O’ ring (A4) from its groove in the rear end of the
tube stack. Push the tube stack forward and out of
the housing and remove the second ’O’ ring (A8).
Caution: Do not push out the tube stack before the
’O’ ring is removed from the rear end of the tube stack
because the ’O’ ring will not move past the passages
in the housing. If the tube stack is tight in the housing,
it may be released by the use of a suitable piece of
soft wood. Put the piece of wood through the opening
of the coolant inlet and in contact with the end of the
tubes. Use gently a hammer on the end of the wood
to expel the tube stac k from its housing. Do not hit
the thin casing at the end of the tube s tack to release
the tube stack.
To assemble
1 Apply some engine oil to the bore at both ends of
the housing.
2 Fit a new ’O’ ring to the groove at the front end of
the tube stac k. Insert the tube stack into the front end
of the housing. Align correctly the bolt holes for the
two small bolts and the washers which retain the tube
stack in the housing, and push the tube stack through
enough to show the groove at the rear end.
3 Fit a second new ’O’ ring to the groov e and push
carefully the tube s tack into its correct position. Insert
the two small bolts, with plain washers and new spring
washers, to retain the tube stack in the housing.
Tighten securely the bolts.
To clean and to inspect
To clean
1 After the removal of the tube stack, check that the
tubes are clean and are not damaged.
2 Wash the tube stack in k erosene and ensure that
the fins are not damaged. Dry inside the tubes with
compressed air and then wash the tube stac k in hot
water.
3 To loosen hard deposits in the tubes, soak the tube
stack in a solution which is made with a proprietary
brand of inhibited sulphamic acid. The solution must
be made and used in accordance with the
manufacturer’s instructions. When the action of the
solution is finished, dip the tube stack in a solution
made of 0,5 kg (1 lb) of sodium carbonate to 25 litres
(5 imp. gallons) of hot water. The final operation is to
dry inside the tubes with compressed air.
4 Clean the housing of the heat exchanger in a
solvent which is not caustic, and wash in hot water.
To inspect
1 Check the housing for damage and scratches.
Inspect the tube stac k for corrosion, for cracks and for
damage. The tube stack should be tested also under
pressure. Close one end of the pack and apply air to
the tubes at 2,11 kg/m (30 lbf/in ), with the pack
immersed in water at 80°C.
To remove and to fit
1 Remov e the heat exchanger, operation 19-10.
2 Release the two bolts which retain the elbow of the
delivery pipe to the crankcase. Slide the delivery pipe
out of the outlet at the rear end of the mounting
adaptor and remove the elbow from the delivery pipe.
Discard the ’O’ rings.
3 Disconnect the delivery pipes which supply the fuel
injection pump and the two turbochargers with
lubricating oil.
4 Remov e the relief valve (A2), operation 19-17.
5 Release the bolts which retain the mounting
adaptor and lift up the assembly away from the
crankcase. Keep the two bobbins (A1).
6 Clean thoroughly the mounting adaptor with
kerosene and dry with compressed air. Inspect for
cracks or other damage and remove all of the debris
which may remain in the connections.
To fit
1 Use clean engine lubricating oil to lubricate the
locations of the two bobbins in the base of the
assembly of the mounting adaptor for the heat
exchanger.
2 Fit new ’O’ rings to each of the bobbins and press
the bobbins into the recesses in the assembly (A). Oil
lightly the recesses for the bobbins in the sump
adaptor, hold the assembly of the mounting adaptor
on the side wall of the crankcase and press it
downward to engage the bobbins in the sump
adaptor.
3 Fit the six bolts, with plain and spring washers, to
retain the assembly and tighten them securely.
4 Fit the relief valve, operation 19-17.
5 Fit the heat exchanger, operation 19-10.
Heat exchanger (oil to coolant)
To remove and to fit
Special tools:
Strap wrench, 21825 825
1 Fit a new hose, and the two hose clips, onto the end
of the pipe on the discharge side of the coolant pump.
2 Ensure that the two bobbins which fit in the heat
exchanger are clean. Fit new ’O’ rings to the grooves.
3 Apply clean engine lubricating oil to the ’O’ rings
and fit the bobbins to their respective bores. The long
bobbin is fitted in the elbow connector and the short
bobbin is fitted in the lubricating oil sump.
4 Hold the body of the heat exchanger over the two
bobbins and move the body downward carefully to
1 If relevant, remove the air duct, from between the
turbocharger on ’B’ bank and the air charge cooler, for
access to the heat exchanger.
2 Remove the drain plug from the outlet connection
of the coolant pump and drain the coolant of the
engine into a suitable container. Put another suitable
container below and to the rear of, the lubricating oil
filters. Remove the drain plug at the rear of the heat
exchanger to drain the engine lubricating oil. Use the
strap wrench, 21825 825, to remove the filter
canisters.
3 Release the hose clips and remove the delivery
pipe between the front end of the tube stack and the
coolant gallery of ’B’ bank.
4 Release the hose clips and slide the coolant hose
away from the rear end of the tube stack.
5 Remove the elbow at the rear of the crankcase,
which is the inlet for the lubricating oil to the main oil
gallery, and withdraw the delivery pipe from the body
of the heat exchanger.
6 Remove two bolts to disconnect, at the crankcase,
the drain pipe for the lubricating oil from the
turbocharger of ’B’ bank, and move the pipe away for
access to the body of the heat exchanger.
7 If necessary, remove the relief valve, operation 19-
Remove the four bolts which retain the heat
exchanger, lift up the body of the heat exchanger to
disengage the two bobbins which connect with the
lubricating oil sump and remove it from the engine.
engage the bobbins in the bores of the heat
exchanger.
5 Fit the four bolts which retain the heat exchanger to
the crankcase and tighten securely.
6 If relevant, fit the relief valve, operation 19-17.
7 Fit the drain pipe for lubricating oil between the
turbocharger of ’B’ bank and the crankcase. Retain
with the two bolts and use a new joint.
8 If necessary renew the ’O’ rings of the delivery pipe
for the lubricating oil, and insert the pipe into the body
of the heat exchanger. Insert the other end of the pipe
into the elbow and fit the elbow to the rear of the
crankcase. Use a new joint and retain with two bolts
with plain and spring washers.
9 Fit a new hose, and the two hose clips, onto the
coolant elbow on the discharge side of the heat
exchanger.
10 Check that the faces of the inlet to the coolant
gallery and the inlet pipe flange are clean. Use a new
joint and fit the pipe to the coolant gallery, insert the
four bolts, complete with plain washers and new
spring washers, and tighten securely.
11 Slide the two hoses over the junctions of the pipes
and align, and tighten the four hose clips.
12 Fit the drain plug for engine lubricating oil to the
rear of the heat exchanger and check that it is secure.
13 Fill three new filter canisters with clean enginelubricating oil and fit them on to the adaptors on the
heat exchanger until the rubber sealing rings are just
in contact with the seats of the housing. Tighten each
canister a further /4 turn by hand. Do not overtighten
the canisters.
14 If the engine lubricating oil can be used again,
return it to the sump of the engine and fill the sump
with new and clean oil to the ’Full’ mark on the
dipstick, if necessary.
15 Check that the drain plugs for coolant are fitted
and secure. Fill the cooling system and add more
coolant, of the same specification as that already in
use, if necessary.
16 If relevant, fit the air duct from the turbocharger on
’B’ bank to the air charge cooler.
To dismantle and to assemble To dismantle
1 Remov e the two small bolts (A2 and A3) and the
washers which retain the tube stack (A7) in the
housing.
Push the tube stack to the rear and remove the ’O’
ring (A4) from its groove in the rear end of the tube
stack. Push the tube stack forward and out of the
housing and remove the second ’O’ ring (A8).
Caution: Do not push out the tube stack before the
’O’ ring is removed from the rear end of the tube stac k
because the ’O’ ring will not move past the passages
for the lubricating oil in the housing. If the tube stack
is tight in the housing, it may be released by the use
of a suitable piece of soft wood. Put the piece of wood
through the opening of the inlet for the c oolant and in
contact with the end of the tubes. Use gently a soft
faced hammer to expel the tube stack from its
housing. DO NOT hit the thin casing at the end of the
tube stack to releas e the tube stack.
To assemble
1 Apply some engine oil to the bore at both ends of
the housing.
2 Fit a new ’O’ ring to the groove in the front end of
the tube stac k. Insert the tube stack into the front end
of the housing. Align correctly the bolt holes for the
two small bolts and the washers which retain the tube
stack in the housing, and push the tube stack through
enough to show the groove in the rear end.
3 Fit a second new ’O’ ring into the groove and push
carefully the tube stack into its correct position. Insert
the two small bolts, with the plain washers and new
spring washers, which retain the tube stack in the
housing. Tighten securely the bolts.帕金斯柴油發(fā)動(dòng)機(jī)機(jī)油冷卻器3012清潔和檢查
To clean
1 After the removal of the tube stack, chec k that the
tubes are clean and are not damaged.
2 Wash the tube stack in k erosene and ensure that
the fins are not damaged. Dry inside the tubes with
compressed air and then wash the tube stack in hot
water.
3 To loosen hard deposits in the tubes, soak the tube
stack in a solution which is made with a proprietary
brand of inhibited sulphamic acid. The solution must
be made and used in accordance with the
manufacturer’s instructions. When the action of the
solution is finished, dip the tube stack in a solution
made of 0,5 kg (1 lb) of sodium carbonate to 25 litres
(5 imp. gallons) of hot water. The final operation is to
dry inside the tubes with c ompressed air.
4 Clean the housing of the heat exchanger in a
solvent which is not caustic, and wash in hot water.
To inspect
1 Check the housing for damage and scratches.
Inspect the tube stac k for corrosion, for cracks and for
damage.
2 The tube stack should be tested also under
pressure. Close one end of the pack and apply air to
the tubes at 2,11 kg/m (30 lbf/in ), with the pac k
immersed in water at 80°C.
To remove and to fit
1 The illustration (A) shows the location of the relief
valve for early engines: in the mounting adaptor for
the heat exchanger. On new engines, the location of
the relief valve is near the c rankcase in the lower rear
end of the heat exchanger. The same type of relief
valve is used for both locations.
To remove
A
184
1 Remov e the c ap (A2) and withdraw the assembly
of the relief valve. Check the plunger and the housing
for scratches and for damage. If the scratches are
deep, the complete assembly must be renewed.
To fit
Caution: To ensure that the opening pressure is
correct, always fit a new spring.
1 Check the spring for distortion, and measure its free
length. A new spring conforms to the requirements
given below:
Free length 123,2 mm (4.85 in)
Length under load of
39,5 kgf (87 lbf) 74,0 mm (2.91 in)
2 Lubricate lightly the plunger and ensure that it
slides freely in the bore of the casing. Insert the
spring. Fit the cap, with a new c opper washer, and
tighten it securely.
