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8/18/2019 03745 calibracion de bomba
1/3
tN01~t
260 V-8 (5 snr)
*mIC*IION AUTOWOlIvE
WLl LOAD
WY 40(34
VEHICLE 1979
tOV. ItCUlAlK)N 10
x I
IOTE: ALL SPE:EOSARE IN EN&NE RPM UNLESS OTHERWISE NOTED
(Z$-fiPM)
EST
STAND
1. INJECTION LINES....
. 0 93 ” I D
B Y 25 ” LO N G
2.
NOZZLE S: 0.5 mm ORIFICE PLhiE (R F. S.B. 334)
3. NOZZLE ~OPENING
PRESSURE 1700
t 25 PSI
4. CALIBRATING OIL-BAE J967 (Latest Revisions
’
EMPERATURE 110.115-F (at inlet)
5. LOW PRESSURE PLUMBING SYSTEM - PER S.B. 334
6. CAM MOVEMENT READOUT DEVICE 21734
ALL FUEL READINGS ARE AT 500 STROKES
UUPOPCRAIlNO PEEO
HALF
ENGINE S?ELD
UMP ACCLSSORIIES
1. Electric Shut-off (12v ETR:(TEST
WITH 8.8
VOLTS MAX.)
2. Speed Advance
5. Min.max Governor I I
3.
Delivery \/alve
4. Temperature Compensating Leaf
UMPSEIIINOS
1. ROLLER.TO .ROLLER DIMENSION...1.961 f .WO 2”
‘Maximum Eccenlricity: .M)8” TIR
2. LINKAGE GAP
,135” to ,160”
3a. USE GAUGE 21914 TO SET THROTTLE AT 41. CCW. AS
MEASURED BETW EEN THROTTLE BALL STUD AND THROTTLE
SHAFT VIERTICAL CENTERLINE .
b. ADJUST LOW IDLE SCREW UNTIL CONTACT IS MADE WITH
IDLE STOP BOSS. THIS WILL INSURE
41.
WHEN GAUGE IS
REMOVED FROM PUMP.
4. OPERATE PUMP AT 1000 RPM (WOT ) FOR 10 MINUTES TO
BRING TO OPERATING TEMPERATURE AND CLEAR AIR FROM
SYSTEM.
INJECTION PUMP
MODEL DB2825SF'37*
SPECIFICATION
SU?ERSCDLS OOCLB82826PC3334 6 oB2825sF3659
0*1to 2-10-84
( TEST OATAFOR
SERVICEUSE ONLY)
CUSTOMERPART NO. 22505961
CUSTOMLR’SNAME A AOOIESS:
aostmLE O~IOH
CENERALMOTORS ORP.,
Issuto lv: J. when
LANSING. NICHIWN
12d.
. __ -_
-imK THROirL E LEVER IN POSITION ANti iNSTALL -
THROTTLE LEVER PROTRACTOR 122089 ONTO SHAFT.
l . ALIGN 0. ON PROTRACTO R WITH SCRIBE MARK ON TIMING
WINDOW BOSS. UNLOCK THROlTLE LEVER AND ROTATE
58” TOWARD w.0.~. POSiTiON. ADJUST MAX. TRAVEL
SCREW TO THIS 68. SETTING.
1. CHECK TOTAL THROTTLE TRAVEL: WITH THROTTLE IN
LOW
IDLE POSITION. ALIGN 0. ON PROTRACTO R WITH SCRIBE
MARK ON TIMING WINDOW BOSS. MOVE THROlTLE TO
W.O.T. READING SHOULD BE BETWEEN 70° AND 84O.
13. CHECK POINTS
a. AT lso0 RPM (WOT) DE-ENERGIZE ELECTRIC SHUT.OFF
FUEL SHOULD BE 4 mn&STROKE. MAXIMUM. RE-ENERGIZE
E.S.O.
THRTL
MM31 MAXIMUM CAM
RPM
POS.
STROKE CYL VAR. MOVEMENT
PRESSURE (20d)
T.PUMP Ii56
b.1500 LO IDL
2MAX -
---
c.1000 WO T 2.004.0’
_.
::-12
d.1500 ADJUST 1011 -
5.00.7.50
i,- i;
e.3000 WOT
8.0*.10.0°
- ‘-1;
1.4CQ WOT
29t3
4
95.115 o-12
g.4400 WOT 13 MAX
9.00.10.0’
h. CHECK FOR MAXIMUM TRIMMER SC REW EXTENSION OF
130 MAX.8-12
.6 %” MEASURED FROM FACE OF ADVANCE HOUSING EIOSS TO
END OF TRIMMER SCREW.
lote: ANY CHANGES AFTER THIS POINT WILL REO UlRE RETESTING
OF PUMP STARTING WITH STEP 11.
14. CHECK LOW IDLE @ 575 RPM FO R 9 t 2 MM3/STROKE
WITH 4 MM3 M AX. CYL. VARIATION AND 4-12 psi HOUSING
PRESSURE
5. CHECK E.S.O. FOR PULL-IN WITH 8.60 VOLTS MAX.
THROTTLE LEVER IN LOW IDLE POSITION AT 400 RPM.
6. SET T. PUMP PRESSURE @ 2ooO RPM (WOT ) FOR 5664 psi
(TEST STAND BOOST PRESSURE SET AT 5 f 0.5 psi)
7. CHECK FOR MINIMUM LIFT OF 18” HG. AT 400 RPM.
8. SET RETURN OIL TO 225.375 cctmin. @ 2 OW RPM (WOT)
9. CHECK HOUSING PRESSURE AT 2OW (WOT) FOR 8-12 psi.
10. WITH GOVERNOR COVER REMOVED AND THROTTLEIHAFT
IN LOW IDLE POSITION (STEP 3b). SET MIN MAX GO VERNOR
ASSEMBLY F OR 9 t 2 mm3htroke at 575 RPM (FUEL
READING WITH COVER INSTALLED).
11. SET ADVANCE FOR 6.0* .7.5* AT 2OW RPM (WOT
12% FU EL DELIVERY 30 1 1.5 mm3/stroke @ 2ooo RPM (WOT )
MAXIMUWI CYLINDER VARIATION 3 mm3lstroke
b. CHECK CISANKING DELIVERY @ 200 RPM WOT) 14 mm3lst.
MIN. 12 pal min. T.P. PRESS. AND 0.10 psi HSG. PRESSUR E
c.
SET THROTTLE FOR 21 t 2 MM3/STROKE @ 1250 RPM.
---
.I scU.,,O.
--
SCREW, cover hold-down
LOCKWASHER. over Screw
CONN . ASSY., return line
GASKET, governor cover
SHAFT,
dri ve
SEAL, drive shaft (BLACK)
SEAL, drive shaft (RED)
SEAL. pilot tube
PIN, shaft retaining
COVER, timing line
SCREW, timing line cover
’ PLATE. name
SCREW , name plateor 24419
.fl
HOUSING
I
22376 +y
21860
13622
21260
l * USE L.I. SCREW TO ADJUST, IF NECESSARY. CHECK $-OF
BALL STUD TO VERTICAL kOF SHAFT AT 39O.43* (USE GAGE
219141
._. .,
15. AIR-TIME PUMP USING GAGE 21916 (PER SB334) SET TO
.3.5’ to -4.5’
16. NAME PLATE..LEFT..Viewing Trans. Pump End
17. TIMED . .LEFT..Viewing Trans. Pump End
@:-cj
18. TIMED TO CAM..(FOR REL. END OF INJECTION)
c
19. TIMED TO THIS CYLINDER (FROM T. PUMP END) Q
\cI
20. SPECIAL NOTES:
a. torque all fasteners per XL784 or St3106
a/,,
b. Pump to be tested with Fittings 22109 6 21606 installed
c. Seal Maximum Travel Adjusting Screw and Advance Trimmer
Screw with Retaining Compound Y21915.
d. Open Petcock lor pressure check ONLY
Note: PUMP MOUNTING. HORIZONTAL PUMP ROTATION
COUNTER-CLOCKWISE
21. SEAL PUMP FASTENERS PER XL874 (
MIIVE GROUP
A
10401
1241
I
SEALS
:OMPOiND TO SEALS BEFOREASSEERLING
TO SHAFT AND SHAFT TO PUMP.
BB365
--
.IY"rn'lOl
USHER, cover ;crew
.BOW. return Iine connector
EAL, return line connector
DVER, governor control
CREWASSY.,
vent or 21661
hru 21665 and 22733 or
2734, as requ,ired
CREW, head locking
CREW. hsg. pressure tap
EAL, press. ti p plug screw
IOUSING
ASSEMBLY r 22158
SEE SERVICE A:SSEMBLIES)
>ASKET, timing line cover
8/18/2019 03745 calibracion de bomba
2/3
DB2825SF3745
.ROLLER, cam
SHOE. cam roll'er
CAM RING
OR 22626 (OVERSIZE) FO
O.E.M. ONLY-INCREASE
SPECIFIED R,-R BY .006"
SEAL. hydraulic head
SPRING, leaf
SCREW, leaf spl+lng
SEAL. transfer punp
BLADE,'transfer pwnp (Ba
or 20512 as r
SF'RING, regulating
PISTON. regulating
SEPAL, nlet filter scree
RING. screen retainer
PLATE, trans. pump press
--
SI'RING, Idling
GOV. ARN AND TEMPERATURf
C(Y(PENSATOR SSEMBLY
SHAFT. governor am
piva
SILM.
pivot shaft
"SEE SERVICE ASSEMBLIES
SLEEVE, min-m&w governor
ROD, min-max. 9000~. ush
SLEEVE, thrust
WASHER. thrust sleeve
WEIGHT. governNor
RIING. QOV. cage retainir
_ ._-
WASHER, throttle shaft
NUT, max. travel screw
SCREW, low idle
Sf'RING. low idle screw
SHAFT ASSEMBLY, throttl
SCREW, max. throttle tr
NUT. trimner screw
SEAL, piston h'ole plug
PISTON., spring
WASHER. slide
PISTON. power
SEAL. piston hole plug
.PLlJG, piston hole
SE,I\L. piston hole plug
SCIREW.cam advance
.I
I
1
T
ic) 4
eq'd.
in
:
,ure 1
I
I
I
i
I
i
1
1
1
:
1
1
1'
:
;
1
1
1
i
Page 2 of 3
VD. HEAD & ROTOR (BASIC)
PLUNGER, rotor (Basic)
SE 11037 thru 1'1040 (Standard)
R 11042 thru 11045 (Oversize)
s indicated on rotor (58608)
SCREW, hyd. hetad plug
SCREW, hyd. head plug
CONNECTOR, ue'l line
20116
20113
22180
12622
22374
20113
21241
12764
15438
UG ASSV..
end plate adj.
REEN, inlet filter
P, transfer pulnp end
1
IT. pivot shaft
\SHER, max. speed sprint
'RING, min.-max.
.OCK ASSEMBLY
TUD. guide
\SHER. guide stlud
W ASSV.. metering valve
'RING. metering valve arr
\LVE. metering or 222%
iTAINER ASSV..
)ov.
weight
RETAINERASSY.. gov. weight
RETAINER, governor weight
HUE ASSEMBLY yov. weight
RING, flexibie'retainjno
WASHER, throttle shaft seal
PIN, vacuum module drive
RING, shaft retaining
SEAL, throttle shaft
HOOK.ASSV., gov. linkage
LINKAGE ASSY., governor
SCREW, gov. linkage hook
WASHER, gov. linkage hook
HOOK, governor linkage
SPRING, QOV. lilnkase hook
SCREW, advance adjusting
SEAL, advance adj. screw
PLUG, piston hole(spring)
GUIDE,advance adj. sprilg
SPRING, outer advance
SEAL, head locating screw
SCREWASSEMBLY, head lot.
req'd.
SEAL, advance screw holeplu
PLUG, advance screw hole
8/18/2019 03745 calibracion de bomba
3/3
DB2825SF3745
STRAP, terminal grounding 1
LOCKWASHER, over screw
1
LOCKWASHER,erminal contact 2
WASHER, terminal contact 2
SOLENOID FRAME6 ARM ASSY.
1
20951
18493
12049
18501
22314
Paqe 3 of 3
INSULATOR, 'terminal
LOCKNUT, teminal contact
TERMINAL, electric shut-off
LOCKWASHER,erminal contact
NUT, terminal contact
WASHER, terminal insulating
KiR
SCRVIU USC
CNILY
IOI CNCINEEIlINC NBC ONLY
U?LICABLC SERVICC ASSEMBLIES
M
iolc._
EDITIDN
wKn:Kn
124370
S-8-79
SHUT-DOWNAIM 6 SOLENOID FM ASSY
6-13-79
1'
13230
2
PILOT TUBE
:z: 4-17-80
13764
3
THROTTLE SHAFT PIISYING
REPLACEMNT
115093
108-80
13942
4
l IDLE SPRING KIT (58360)
Y2316p
l-30-81
14044
5
Housing Kit (~8367)
1123274 7-22-81
--14289 6
2-10-84
15989
7