Allis-Chalmers Model G Wartungshandbuch PDF herunterladen (Seite 43)

The relief valve spring should measure 3.131.16";'.~Us_ sealer on outside of needle bearing. Be

long - free length. If 3/16" short it should be sure this sealer does not enter bearing. fress

replaced. Always use new oil seals .and

"O!'" pump idle gear on shaft, locating it in center of

rings .-'" ~ "' sh~t.

U lapped s.urfaces are scrdtched or mdrred or

dirt on surface.or capscrews tightened unevenly

the pump will leak ..

Seat the relief vdlve bdll in its seat before

assembly; Use a soft punch and use a solid blow.

Drive seat into place ·in side of body closest to

trdCtor. Drive to bottom.· E:nter bdll, ball spring

guide,-sp-r-ingand. retaining plug from opposite

side.

Install control valve. with wide notch towards

tractor side of pump. Install oil seal and control

lever, detent ball and spring and cover assembly.

The screw

lI,r ~pring in 'control lever cover is

used to secure slow rate of drop. Turning in on

screw lowers rate of drop.

Assembly

Install shift lever .and seal in housing with lever.

pointed away from trador and inside shift lever

towards tractor with swivel in shifter collar

groove. Drive taper pin into place. Install detent

ball, sprin8.,and plug.

.: '~:';.L:·;!_' Clean·the la'ppedisurfaces,of PUJnp body, gear

, - section i:Uldhousing throughly and place ,pdrts

Place the.i·dler~g~~~·thrust.wa~hero·n th~.ih~it~~:;· together on the.l/4",dowelpins. Late style

Place idler gear next.with sh.ift pip holes ·with .. pumps have' 5/8" dowel pins. Bushings are

counterbored ends towards bevel gear. InstalL. provided for instdl1ing repair parts on pumps

bevel gear key and press bevel gear on shaft. having 5/8" holes dnd 1/4" dowel pins. Stdrt

The idler gear should turn free without exc;es- the capscrews and tighten evenly to 30 ft. lbs.

sive end play.· Pldce roller bearing in housing.

Enter shaft assembly and place shifter and: pi.ns.

in position. Place ball bearing in position with

long side of bearing from snap ring towards the ..

gear. Tighten shaft nut securely and

10C;k by

depressing a portion of the thin section into

shaft keyway. This bearing is a semi-thrust

b~aring and holds the end play of shaft. Install

cover using sealer.

:5'

...~, ..

Place the pump drive gear key and drive gear

on pump dl;'lve shaft. Install one needle bearing

in drive housing and one in pump cover housing.

A valve is placed .in the remp.tE .ram line to

secure deldyed lift of redrfur¢owing bar.

closing this valve.~f:~rtially ,:j~*ases delay.

BELT PULLE Y (NEW STYLE)

)

Remove the four capscrews attaching the as-

sembly to the belt pulley and pump housing. Re-

move sheave, shaft nut cover and nut. Pull the

pulley drive flange. Press shaft from housing.

Press bearing from shaft and drive bearing cups

from housing. The snap rings may be left in

place.

Assembly

Assemble in reverse of above. Place the

bearing shield washer with the concave side

towards gear end of shaft and behind beari ng cup.

Install seal with lip towards bearing.

Inspection

Inspect gear teeth for wear, and roughnes,,"

Check bearings for wear, roughness or scoring.

Check oil seal surface on pulley hub. Repldce

oil seal.

Adjust bearings to a free rolling fit without end

play or binding. Lock nut by depressing a po.rtion

of the thin section into shaft keyway.

Adjust bevel pinion and gear mesh to .005" to

.010" backlash by use of shims between housings.

Use sealer on this shim

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G-40

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Allis-Chalmers Model G Wartungshandbuch Seite 43

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