wsm M7040 - Disassembling Steering Cylinder; Servicing

STEERING
M6040, M7040, WSM
7-S12
(2) Disassembling Steering Cylinder
Steering Cylinder
1. Draw out the cylinder head (4).
2. Draw out the cylinder rod (1).
(When reassembling)
• Apply transmission fluid to the O-ring (3), rod seal (5) and inside
of cylinder tube (9).
9Y1210143STS0015US0
[5] SERVICING
Steering Cylinder I.D.
1. Measure the steering cylinder I.D. with a cylinder gauge.
2. If the cylinder I.D. exceeds the allowable limit, replace the
cylinder barrel.
9Y1210143STS0016US0
Clearance between Rod and Bushing
1. Measure the bushing I.D. with a cylinder gauge.
2. Measure the rod O.D. with an outside micrometer, and calculate
the clearance.
3. If the clearance exceeds the allowable limit, replace as a unit.
9Y1210143STS0017US0
(1) Cylinder Rod
(2) Piston Seal
(3) O-ring
(4) Cylinder Head
(5) Rod Seal
(6) Backup Ring
(7) Dust Seal
(8) Internal Circlip
(9) Cylinder Tube
Steering cylinder I.D.
Factory specification
55.000 to 55.074 mm
2.16535 to 2.16827 in.
Allowable limit
55.100 mm
2.16929 in.
Clearance between rod
and bushing
Factory specification
0.010 to 0.140 mm
0.00039 to 0.00551 in.
Allowable limit
0.250 mm
0.00984 in.
KiSC issued 07, 2012 A