Allis-Chalmers WD Operating Instructions And Repair Parts Illustrations page 30

WHEN PUMP IS NOT IN USE KEEP HAND CONTROL LEVER AT BOTTOM OF
LUBRICATION - Check daily and keep filled to
high mark on bayonet gauge or to top of filler
neck on tractors not equipped with bayonet
gauge. The filler plug for the hydraulic
system and belt pulley compartment is located
on the left side of tractor and is the upper
forward of the three filler plugs. (Refer to
lubrication guide,)
ADJUSTMENTS - HYDRAULIC PUMP LINKAGE
NOTE: It is extremely important that this
linkage be correctly adjusted - otherwise
satisfactory operation cannot be obtained.
correctly set this linkage needs no
r adjustment unless disturbed.)
1. Turn drewbar control screw "A " into pump
body.
2. Turn screw "I3 " into pump body, separat-
ing plates .
3. Turn volume screw "D " out against stop.
4. Set hand lever at top of quadrant.
HYDRAULIC SYSTEM
Use S.A.E. 2OW for lowest expected tempera-
ture of 45OF. Use S,A,E, 1OW fo.r tempera-
tures below 45OF. A magnetic drain plug is
located at the bottom of the housing. This
plug should be cleaned periodically. When
completely
the pump control housing must also be drained,
as oil trapped in pump control housing cannot
be drained by removal of the magnetic plug.
5. Loosen set screw at top of long rod.
6. Push down on rod to take out slack and
tighten set screw. (Added rod length can
be gained by reducing bend in rod.)
8. Shut off tractor.
the hand lever slowly.
10. Stop lever on quadrant at point where ran%
unload
11. Adjust with l/32" clearance
bars page 70 "A" and "B",
30
draining,the pump drive
freely.
housing,
between