Steering System Maintenance Instructions (Cont)
12-4. 90° GEARBOX REMOVAL/REPAIR/INSTALLATlON (CONT).
Remove open end cap (11), with
oil seal (25) and bearing cup (26)
from output shaft (13).
There are two types of output shafts. Model
A has two retaining rings. Model B does not
have retaining rings. On Model B, disregard
references to retaining rings.
Remove two cone bearings (27),
two spring washers (28), straight
bevel gear (29), woodruff key (30),
and two retaining rings (31) from
output shaft (13).
There are two models of gear boxes. Model A uses paper gaskets. Model B uses
plastic shims and preformed packing. Do step (15) for Model A. Do step (16) for
Remove bearing cup (26), paper gasket (32), and oil seal (25) from open end cap (11).
Remove bearing cup (26), plastic shims (33), preformed packing (34), and oil seal (25) from open
end cap (11).
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
Dirt and foreign material in steering system will cause damage and steering
Clean old gasket material from housing and/or caps.
Clean sealant residue from threaded holes with dry cleaning solvent.
Do not wash machined parts together to avoid damage from parts bumping
Wash parts in drycleaning solvent.
Remove all small nicks or burrs with crocus cloth.
Coat all parts with light coating of lubricating oil.
Inspect housing and caps for damage.
Inspect all parts with machined surfaces for deep scratches or wear grooves.
Replace unserviceable parts.