Gradall 534B (9020-7317) Service Manual - Manual (Page 160)

All lead in chamfers for oil seals, piston rings,
& “0” rings must be smooth and free from burrs.
Inspect at assembly,
Lubricate all piston ring grooves & “0” rings
with oil before assembly.
Apply very light coat of Permatex No. 2 to
0 D. of all oil seals before assembly.
After assembly of parts using loctite or Permatex
there must not be any free or excess material
that could enter the oil circuit.
Apply a light coal of #92 loctite to all
pipe plugs.
Apply a thin coating of grease between seal lips
on lip type seals prior to assembly. 1.
2.
3.
4.
5.
6.
Bearing part No. must
be “OUT”. Chamber
must be “IN”.
Torque capscrews & bend
corners of lock tab up
against bolt hex flats
as shown.
Press baffle to shoulder
in converter housing. Press
on outside diameter only.
Torque
58 to 64 Lbs. - Ft.
[78,7 - 86,7 N
• m]
Bend lock tabs
at ass’y
Torque
58 to 64 Lbs. Ft.
[78.7 - 86,7 N
• m]
Standard Idler Gear
Idler gear with
turbine driven P.T.O.
Must be assembled with
bearing number inside
Viewed from this direction
outer race freewheels
clockwise
View B
Figure I
Tighten nut 200 to 250 Lbs. - Ft. [271,2 - 339,0 N • m]
Tighten nut 200 to 300 Lbs. Ft. [271,2 - 406,7 N • m]
and stake securely in place.
Special steel backing
plate to be used with
reduced size pistons only.
Forward and reverse clutches with
reduced size pistons only.
1 Outer steel backing plate
and disc assembly.
7 Outer steel discs.
8 Inner friction discs.
Start with outer steel backing
plate next to piston, then (1)
inner friction disc then (1)
outer steel disc. Alternate
steel and friction discs until
proper amount of discs are installed.
Idler gear with
engine driven P.T.O.
Forward & Reverse Clutch Return Springs
Concave side of first belleville spring to be
placed against clutch piston. Remaining four
springs of each clutch to be stacked
alternately reversed as shown.
Special bearing-ball
loading notches
opposite snap ring.
Tighten oil screen assembly
10 to 15 Lbs. Ft. [13,16 - 20,3 N
• m]
Two clutches (2nd & 3rd)
6 Outer steel discs
6 Inner friction discs
Start with outer steel disc.
alternate friction and steel
8 - Outer steel plates
8 - Inner bronze plates
Alternately assemble
starting with outer
steel plate.
2 - SPEED
3 - SPEED