Buick 1948 Bedienungsanleitung PDF herunterladen

BUICK

1946-47-48 SPECIAL

SERIES

40.

SUPER

SO,

ROADMASTER

DYNAFLOW

CONTINUED FROM PRECEDING PAGE

Pedal Adjustment: Free travel %-l". Adjust by loos-

ening locknut and turning adjusting nut on release

rod Unking cross-shaft lever to clutch fork. Pedal

positioned by rubber bumper under toeboard.

Clutch Over-Center Spring Installation & Adjust-

ment: See Clutch Notes in Buick Special Data.

Removal:—Remove Rear Axle & Transmission (see

below), take off clutch underpan, disconnect link-

age at yoke, remove clutch release bearing support

by taking out spring washer in housing, pull out

yoke (with release bearing) from fulcrum, mark

clutch and flywheel, remove cover mounting screws.

Clutch Yoke Boot Installation—See Clutch Notes in

Buick Special Data.

TTRANSMOSSO®!*]

SYNCHRO-MESH

Own Make. All Helical Gear, constant-mesh, syn-

chro-mesh (Second & High), sliding gear (Low &

Reverse) with steering column mounted shift con-

trol. See Transmission Section for complete data.

Transmission Control: Buick type remote control.

See Transmission Section

for

complete data.

Removal (1946-47): Remove Rear Axle, then remove

rear transmission support (wire shims to ends of

support for correct replacement) and steady rest

rod, place engine jacks (J-1580) on frame cross

member with pilot end In hole in housing at each

side of engine mounting, tighten jacks to take load

off mounting, remove selector and shift levers,

transmission mounting bolts (Install guide pins

J-851), remove 2 nuts freeing rear engine mounting

(bolt heads seat in notches), adjust Jacks to take

strain off mounting bolts, remove transmission. See

Buick Shop Notes

for

Transmission Support Mounting

adjustment data

1946~47 cars.

Removal (1948): Disconnect Rear Axle (see Rear Axle),

drain transmission, fill with clean gasoline or kero-

sene and run approx. 15 seconds In Neutral, drain

cleaner Disconnect speedometer cable, lower shift

rod, and selector rod. (On 40,50 only, take out toggle

spring and extension, remove shift lever and lock

washer from selector shaft—hold shift lever in

neutral when removing attaching bolt—remove

outer selector lever). Install support bar (see Note

below) under rear end of oil pan positioning left

hook over frame between brake master cylinder and

clutch release equalizer, tighten nuts on two hooks

evenly. Remove transmission mounting as follows:

Disconnect rubber thrust pad from rear of trans-

mission support by taking off 3 nuts and bolt plate,

remove shims from behind support, disconnect

mounting pad on top of support by taking out 2

attaching bolts and bolt plate, raise engine by turn-

ing up on nuts on two support hooks evenly to take

load off transmission support, take out transmission

support (disconnect at frame ends), and remove

thrust pad from thrust plate. Install guide pins

J-851 In place of two top mounting bolts, remove re-

maining mounting bolts, pull transmission straight

back and lower from car.

For instructions

Shimming Rear Mounting when

in-

ttatling transmission

on 1948

cars,

see

"Engine Mount-

ings"

Buick Shop Notes.

Engine Support Bar Note—Consists of length of

2x4 (approx. width of frame) with hole through

each end to take hooked rods (hook rests on top

of frame. Raise and lower support by nuts on rods.

Lubrication Note—When transmission reinstalled

in car, inject % pint of transmission lubricant

through universal Joint yoke before attaching

torque tube to transmission.

©VMAFIL@W

DRIVE

raANSMISSIIQM

OPTL

ON 1948

ROADMASTER SERIES

Own Make. Torque Converter and hydraullcally

operated planetary unit with manual control.

See Transmission Section

for

complete data including

Testing

Trouble Shooting.

>Dynaflow Production Changes & Interchangeabillty

Data for new type parts—See "Buick Dynaflow" in

Transmission Section.

>FLYWHEEL BALANCING DYNAFLOW CARS

(To cor-

red vibration caused

replacement parts):

See

BUICK DYNAFLOW DRIVE

Transmission Section.

>CRANKSHAFT

FLYWHEEL REPLACEMENT

DYNAFLOW CARS:

See

Buick Special Data.

Dynaflow Linkage Adjustment: See "Buick Dynaflow

Drive"

Transmission Section.

Throttle Linkage Adjustment & Dashpot Setting:

See CARBURETOR.

Lubrication—Check fluid level in transmission

every 1000 miles, drain and refill every 25,000 miles.

t>Use only Special Buick

Oil for

Dynaflow Drive

Auto-

matic Transmission Fluid Type

"A."

Capacity—(70) 10 quarts. NOTE—Add 1% pints

more when transmission completely dry.

Checking Fluid Level—Engine must be idling with

selector lever at "P" (Parking) and transmission oil

warm. Raise right side of floor mat, take off cover

in floor above transmission, lift out oil gauge rod.

Add fluid to "FULL" mark level with engine idling.

Draining

Refilling—See "Buick Dynaflow Drive"

in Transmission Section.

E>CAUTlON—Engine mutt

idling with transmission

Parking

and

transmission

oil

warm when checking Dyna-

flow Drive Fluid Level.

Removal:

See

"Buick Dynaflow Drive"

Transmission

Section.

UNIVERSALS

Saginaw (All Series) or Spicer 202-13X (40, 59).

One used (In torque ball at rear of transmission).

Torque Ball Adjustment—See- Buick Special Data.

REAR

AXLE

Own Make. Hypold Gear, Semi-floating type with

Torque Tube Drive. See Rear Axle Section for data.

>1948 Pinion Rear Bearing Production Change—

Double roller bearing used on pinion shaft on late

1948 Cars. See "Buick Hypoid" in Rear Axle Section.

>CAUTION—Gear Set and Case Assembly on 1946-47

cars are heavier than parts used on 1942 cars.

See Buick Rear Axle article

Rear Axle Section

for

parts identification

and

interehangeability data.

Ratio—4.454-1: Std. 40. 50. 4.1-1: Std. 70 and Late

Dynaflow, Optl. 40, 50.

3.9-1:

Std. on Early Dyna-

flow. 3.64-1: Optl. 70.

Bnrftlnsh—.006-.010". Screw adjustment.

Removal:—Hoist rear end of car. Disconnect parking

brake at equalizer, hydraulic brake line at fitting

anchored to left channel iron-strut, lower end of

shock absorber links, rear radius rod at axle end,

lower end of chassis springs (tie springs to bumper

for clearance). Disconnect torque tube at universal

joint ball, remove axle assembly from beneath car.

t>CAUTION—Torque tube should

not be

disconnected

from carrier (except

for

gasket replacement),

Torque Ball Adjustment—See Buick Special Data.

Axle Shaft Removal:—See Buick Rear Axle article.

Wheel Bearing Adjustment—None.

Rear Suspension: Coil springs & conventional axle.

See Rear Axle Section

for

complete data.

SHOCK

ABSORBERS

Delco Model 1948-A (front). Model 2105-CJ) (rear).

Double acting, hydraulic (parallel cylinder rear).

Fa@MTr

S1H)SPI£NSD@NI

Front Suspension: Independent, linked parallelogram

type with coll springs.

See Front Suspension Section

for

complete data.

Kingpin Inclination—4*4" crosswise for %* Camber.

Camber—%• Positive (%' Pos. to %• Neg.) and

equal for both wheels within %". At curb weight.

Caster—%' Positive W Pos. to iy

* Pos.) equal for

both wheels within Vi*. At curb weight. Adjustable.

Toe In—1/16-%"Adjust both tie rods equally.

Steering Geometry (Toe out on Turns)—With outer

wheel turned 20*, inner wheel turned 21*4"

%'•

STTEERONG

GEAR

Saginaw. Ball bearing Worm-and-Nut type.

See Steering Gear Section

for

complete data.

BRAKES

Service: Bendlx Hydraulic, Duo-servo, Single Anchor

type without Eccentric Adjustment. Parking "Step-

on"

lever applies rear wheel service brakes.

See Brake Section

for

complete data.

Drums—Cast Iron type. Diameter 12".

>BRAKE DRUM RECONDITIONING & BALANCING:

See Brake Notes

Buick Special Data,

Lining—Moulded type (all shoes). Width 1%" (40,

50).

2%' (70). Thick. 3/16". Lgth. per whl. 23 1/16".

Clearance—.015" at both ends of secondary (rear)

shoe with primary shoe forced against drum.

Hand (Parking) Brake: See Service Brakes (above).

NoRoI: Optional. See Brako Section for complete data.

MQSC.

MECHANIICAIL

Power Operated Convertible Tops, Windows, & Front

Seat: Hydro-Lectric type (hydraulic actuation with

motor-driven pump supplying oil under pressure).

See Miscellaneous Section

for

complete data.

1946-47-48 SPECIAL 1

Inhaltsverzeichnis

Seite 1 - 1946-47-48 SPECIAL

BUICK 1946-47-48 SPECIAL SERIES 40. SUPER SO, ROADMASTER & DYNAFLOW 70 CONTINUED FROM PRECEDING PAGE Pedal Adjustment: Free travel %-l". Adju

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Buick 1948 Bedienungsanleitung

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