Information injection-pump assembly
ZEXEL
106672-4440
1066724440
KOMATSU
6127721031
6127721031
Rating:
Cross reference number
ZEXEL
106672-4440
1066724440
KOMATSU
6127721031
6127721031
Zexel num
Bosch num
Firm num
Name
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113 or {SAEJ967d}
1404 Test oil ISO4113 or {SAEJ967d}
Test oil temperature
degC
40
40
45
Nozzle and nozzle holder
105780-8130
Bosch type code
EFEP215A
Nozzle
105780-0050
Bosch type code
DN6TD119NP1T
Nozzle holder
105780-2090
Bosch type code
EFEP215
Opening pressure
MPa
17.2
Opening pressure
kgf/cm2
175
Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
Tester oil delivery pressure
kPa
157
157
157
Tester oil delivery pressure
kgf/cm2
1.6
1.6
1.6
Direction of rotation (viewed from drive side)
Right R
Right R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right R
Right R
Injection order
1-5-3-6-
2-4
Pre-stroke
mm
2.5
2.45
2.55
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5
Cal 1-5 deg. 60 59.5 60.5
Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5
Cal 1-3 deg. 120 119.5 120.5
Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5
Cal 1-6 deg. 180 179.5 180.5
Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5
Cyl.1-2 deg. 240 239.5 240.5
Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5
Cal 1-4 deg. 300 299.5 300.5
Injection quantity adjustment
Adjusting point
A
Rack position
14.3
Pump speed
r/min
1000
1000
1000
Each cylinder's injection qty
mm3/st.
250
245
255
Basic
*
Fixing the rack
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
15.4
Pump speed
r/min
800
800
800
Average injection quantity
mm3/st.
303
301
305
Fixing the lever
*
Injection quantity adjustment_03
Adjusting point
C
Rack position
8.6
Pump speed
r/min
300
300
300
Average injection quantity
mm3/st.
28
25
31
Max. variation between cylinders
%
0
-10
10
Fixing the rack
*
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)Deliver with the torque spring and the torque control spring not operating.
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K=8
----------
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K=8
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Speed control lever angle
F:Full speed
I:Idle
S:Stop
----------
----------
a=31deg+-3deg b=1deg+-5deg c=21.5deg+-5deg
----------
----------
a=31deg+-3deg b=1deg+-5deg c=21.5deg+-5deg
Information:
2. Disconnect the fuel lines from fuel transfer pump (1).3. Remove two bolts (2) and fuel transfer pump (1). 4. Be sure O-ring seal (3) is in position on the fuel transfer pump and put clean oil on the O-ring seal.5. Put the fuel transfer pump in position on the fuel injection pump and install the two bolts that hold it in place.6. Connect the fuel lines to the fuel transfer pump.7. Open the fuel shutoff valve at the fuel tank.Disassemble Fuel Transfer Pump
start by:a) remove fuel transfer pump
Cover (2) is under spring tension.
1. Carefully remove bolts (1) and cover (2) from the fuel transfer pump. 2. Remove spring (3), valve (4) and O-ring seals (5) from the cover. 3. Remove springs (6) and (7) from the pump housing. 4. Remove sleeve (8) from the pump housing. 5. Remove sleeve (12), piston (16), O-ring seal (11) and piston (9) from sleeve (8). Remove plate (15), valve (10) and seal (14) from piston (9). Remove O-ring seal (13) from sleeve (8). 6. Remove O-ring seal (17) from the pump housing. 7. Push guide (18) through the pump housing and remove guides (23) and (18) together. Remove rod (20), guide (23), O-ring seal (19) and tappet (21) from guide (18). Remove ring (22) from tappet (21). 8. Remove connector (24), valve (26) and seal (25) from the pump housing. 9. Remove plug (30), spring (28), valve (29) and seal (27) from the pump housing.Assemble Fuel Transfer Pump
1. Clean all parts and be sure all passage are open. 2. Be sure the O-ring seal is in position on plug (4) and put 4L7464 Silicone Grease on the O-ring seal. Valves (2 and 6) must be installed as shown for the pump to work correctly.3. Install seal (1), valve (2), spring (3) and plug (4) in the pump housing as shown. Tighten plug (4) to a torque of 20 7 N m (15 5 lb.ft.). 4. Be sure the O-ring seal is in position on connector (7) and put 4L7464 Silicone Grease on the O-ring seal.5. Install seal (5), valve (6) and connector (7) in the pump housing as shown. Tighten connector (7) to a torque of 55 10 N m (40 7 lb.ft.). 6. Install the ring on tappet (8). Install tappet (8), O-ring seal (12), guide (9) and rod (10) in guide (11). Put 4L7464 Silicone Grease on O-ring seal (12). Install guides (11) and (9) as a unit in the pump housing as shown. 7. Install O-ring seal (13) in the pump housing and put 4L7464 Silicone Grease on the O-ring seal. 8. Install seal (15), valve (19) and plate (16) in piston (14) as shown. Install piston (14), O-ring seal (17), piston (20) and guide (21) in guide (18) as shown. Install the O-ring seal on guide (18) and put 4L7464 Silicone Grease on O-ring seal (17) and the O-ring seal on guide (18). 9. Install guide (18) in the pump housing as shown.
start by:a) remove fuel transfer pump
Cover (2) is under spring tension.
1. Carefully remove bolts (1) and cover (2) from the fuel transfer pump. 2. Remove spring (3), valve (4) and O-ring seals (5) from the cover. 3. Remove springs (6) and (7) from the pump housing. 4. Remove sleeve (8) from the pump housing. 5. Remove sleeve (12), piston (16), O-ring seal (11) and piston (9) from sleeve (8). Remove plate (15), valve (10) and seal (14) from piston (9). Remove O-ring seal (13) from sleeve (8). 6. Remove O-ring seal (17) from the pump housing. 7. Push guide (18) through the pump housing and remove guides (23) and (18) together. Remove rod (20), guide (23), O-ring seal (19) and tappet (21) from guide (18). Remove ring (22) from tappet (21). 8. Remove connector (24), valve (26) and seal (25) from the pump housing. 9. Remove plug (30), spring (28), valve (29) and seal (27) from the pump housing.Assemble Fuel Transfer Pump
1. Clean all parts and be sure all passage are open. 2. Be sure the O-ring seal is in position on plug (4) and put 4L7464 Silicone Grease on the O-ring seal. Valves (2 and 6) must be installed as shown for the pump to work correctly.3. Install seal (1), valve (2), spring (3) and plug (4) in the pump housing as shown. Tighten plug (4) to a torque of 20 7 N m (15 5 lb.ft.). 4. Be sure the O-ring seal is in position on connector (7) and put 4L7464 Silicone Grease on the O-ring seal.5. Install seal (5), valve (6) and connector (7) in the pump housing as shown. Tighten connector (7) to a torque of 55 10 N m (40 7 lb.ft.). 6. Install the ring on tappet (8). Install tappet (8), O-ring seal (12), guide (9) and rod (10) in guide (11). Put 4L7464 Silicone Grease on O-ring seal (12). Install guides (11) and (9) as a unit in the pump housing as shown. 7. Install O-ring seal (13) in the pump housing and put 4L7464 Silicone Grease on the O-ring seal. 8. Install seal (15), valve (19) and plate (16) in piston (14) as shown. Install piston (14), O-ring seal (17), piston (20) and guide (21) in guide (18) as shown. Install the O-ring seal on guide (18) and put 4L7464 Silicone Grease on O-ring seal (17) and the O-ring seal on guide (18). 9. Install guide (18) in the pump housing as shown.