Paragraphs 28-29
CASE/iNTERNATiONAL
(15 through 20—Fig. 32). Disconnect steering lines,
oil cooler line, hitch supply line, auxiliary valves re-
tum line and pto line from multiple control valve (13).
Immediately cap or plug all openings. On models
equipped with XL cab, remove left console. On all
models, disconnect and remove park brake warning
switch wires and linkage. Disconnect and remove pto
operating lever. Remove two cap screws from oppo-
site sides of multiple control valve. Install two 3/8 x
5 inch guide studs in the holes to aid in removal and
installation of the assembly. Remove the balance of
the retaining cap screws, then slide multiple control
valve outward from rear main frame. Lay the assem-
bly on a clean bench. Remove the four cap screws
and copper washers, then lift off hydraulic pump as-
sembly (2) and spacer plate (8), if so equipped.
NOTE:
Spacer piate (8) is used oniy on tractors
equipped with a 23 tooth pump drive gear.
Disassembly of the pump is obvious after exami-
nation of the unit. Remove nut
(5),
drive gear
(4)
and
Woodruff key (3). Remove end plate cap screws and
separate pump components. Clean and inspect all
parts.
If any parts show excessive wear or other dam-
age,
renew pump assembly. A seal kit is available for
resealing the pump. When reassembling pump, tight-
en end plate cap screws to a torque of 20-23 ft.-lbs.
(27-31 N-m). Install Woodmff key
(3),
place drive gear
(4) on shaft and install and tighten nut (5) to a torque
of 45-50 ft.-lbs. (61-68
N-m).
Hold drive gear in a vise
while tightening nut. Check condition of foam seal
(1).
If damaged or loose, remove and discard seal.
Clean seal area with a rag and adhesive solvent, then
dry the housing. Apply a thin coat of oil resistant
adhesive No. 69351C1 to the housing and to a new
foam seal. Let adhesive dry one to two minutes, then
install foam seal on pump housing. Allow adhesive
to dry at least another 30 minutes before installing
pump assembly.
When reassembling, use all new '*0" rings, seal ring
and gaskets. Install pump and spacer (8), if so
equipped, to multiple control valve. Use new copper
washers on the four pump retaining cap screws. In-
stall and tighten cap screws to a torque of 18-24 ft.-
lbs.
(24-28 N-m).
Lubricate foam seal
(1)
with Hy-Tran Plus fluid and
reinstall multiple control valve and pump assembly
by reversing the removal procedure. Tighten multi-
ple control valve retaining cap screws to a torque of
33-37 ft.-lbs. (45-50
N-m).
Reinstall hand park brake
linkage and pto linkage. Then, using a new filter ele-
ment
(15),
'*0'*
rings and gasket, install hydraulic fil-
ter assembly. Tighten filter center bolt to a torque
of 12-16 ft.-lbs. (16-21 N-m). Connect all disconnect-
ed hydraulic lines. Fill transmission to correct level
on dipstick with Hy-Tran Plus oil. Refill capacity is
36
U.S.
quarts (34.0
L)
on tractors without front drive
axle and 38.6 U.S. quarts (36.5 L) on tractors with
front drive axle.
PRiORiTY FLOW DiViDER
Aii Modeis
28.
R&R AND OVERHAUL. Ib remove the flow
divider spool (33—Fig. 33) and spring (32), remove
plug (30) with "0" ring
(31).
Clean and inspect parts.
Spring (32) should have a free length of 3.253 inches
(82.63 mm) and should test 29.7 lbs. (132 N) when
compressed to a length of 2.017 inches (51.23 mm).
Check spool (33) and spool bore in multiple control
valve housing (25) for excessive wear, scoring or other
damage. Spool (33) and housing (25) are a matched
set and are renewed only as a new multiple control
valve assembly.
Lubricate spool with Hy-Tran Plus fluid, then in-
stall spool, spring and plug with new "0" ring. Tight-
en plug securely.
STEERiNG HAND PUMP
Aii Models
29.
R&R AND OVERHAUL. Ib remove the steer-
ing hand pump, proceed as follows: On models with-
out cab, remove battery access panel and disconnect
battery cables. Unbolt and remove upright muffler.
Remove radiator cap, tractor hood and side panels.
Remove battery and insulation pad from battery tray.
Using a suitable puller, remove steering wheel. Re-
move nut from ignition switch and push switch to in-
side.
Unbolt and remove instrument panel side
panels. Unbolt instrument panel and raise about 2
inches (50 mm) on right side and support in this po-
sition.
On models with XL cab, remove battery cover, dis-
connect battery cables and remove battery. Using a
suitable puller, remove steering wheel. Push in and
turn lockpins, then lift off the instrument panel front
housing. Loosen locknut and remove engine stop con-
trol knob. Remove locknut and grommet from instru-
ment panel. Disconnect tachometer
cable.
Lift instru-
ment panel upward to clear steering shaft, then move
the panel to the right and support assembly in this
position.
On all models, identify and disconnect the four
steering hoses from hand pump. Plug or cap all open-
ings.
Remove the two hand pump retaining cap
screws and lower the unit. Remove the two spacers,
then remove hand pump assembly.
Ib disassemble the steering hand pump, clean ex-
terior of assembly, then unbolt and remove steering
shaft and column. Scribe match marks across end
cover (32-Fig. 35), stator
(30),
distributor plate (27)
26
To Next Page
