SERVICE MANUAL
position. Then, adjust control rod cap
screw (S-Fig. 199) until clearance (A)
between cap sc1·ew and lift cover casting
is 4.1-4.5 mm (0.160-0.180 inch).
213. DRAFT CONTROL LINKAGE.
To adjust draft control linkage, first
check for correct initial setting of
transport stop as follows: On models
without pressw·e control, make sw·e
that center of rear bolt holding transport
stop plate is 11 mm
(7
/16 inch) from rear
of slot in quadrant. On models with
pressure control, be sure that transport
stop is positioned at rear of quadrant
slot.
Move inner quadrant lever against
transport stop, then loosen quadl·ant at
taching cap screws and center both
quad1·ants in the mounting slots.
Tighten quadrant attaching screws.
Move draft control lever between the
two sector marks on the draft quadrant.
On pressw·e control models, disconnect
pressure control lever (8-Fig. 198) from
pressure control valve and rear pivot
pin, and remove control lever. Remove
pressure control adjusting tube (9) with
rod, clevis and spring from pressure con
trol valve.
On all models, install a wedge (1-Fig.
200) to hold dashpot plunger in fixed
position against vertical lever. Loosen
position control adjusting screw (6) just
Fig. 199-Turn draft control rod adjusting screw
(S) until clearance (A) between head of screw and
lift cover casting Is 4. 1-4.5 mm (0. 160-0. 180 Inch).
Draft control lever must be In fully "UP" position.
Fig. 198-V/ew oft/It cover In
ternal control linkage.
Pressure control model Is
shown.
1 .
Oashpot
2.
Response
cont
ro
l plunger
3. Guide rod
4
.
Vertical lever
5.
Draft
co
n
tro
l
com
6. Draft
control rod
7, Position control
cam
8.
�urc control lever
9. PreMurc
control ot\}usllng
tube
enough to free the position control lever.
Attach a spring scale to vertical lever,
and apply 1.4 Kg (3 pounds) of pull
against lever while checking clearance
between lever and dashpot plunger.
Turn draft adjusting bolt (5), if
necessary, to provide correct clearance
of0-0.05 mm (0-0.002 inch). Tighten ad
justing screw locknut, then recheck
clearance to be sure setting is correct.
214. POSITION CONTROL. To adjust
position conti·ol linkage, be sure wedge
(1-Fig. 201) is still in place holding
dashpot fixed against vertical lever.
Position a spacer block (6) that is 16.15
Fig. 200-VIew showing ad
justment of draft control
1/nkllge. Refer to text for pro-
cedure.
1
Wedge
2
Oat�hpot
3
F�eler
gage
4 Locknut
5
Draft at\}usung bolt
6
Pooltlon a<IJustln�
screw
Fig. 201-View showing ad
fusrment of position control
linkage. Refer to text.
1
Wedge
2
DMhpol
3
Feeler
gage
4 Posoloon adjusung
screw
5.
Rockshart
arm
6
Spocer
Paragraphs
21 3-2 1 4
Fig. 202-Measure distance (D) between bortom
(notched end) of pressure adjusting tube (I) and
pressure control valve housing
liS
shown. Refer
to
text.
mm (0.636 inch) thick between
l
ift
cover
casting and rockshaft arm (5) making
sure arm rests against spacer. Move
draft control lever to full "UP" position
of quadrant and move position control
lever to transpot-t stop.
Use spring scale attached to vertical
lever to apply 1.4 Kg (3 pounds) pull to
lever, then check that clearance between
lever and dash pot plunger is 0-0.05 mm
(0-0.002 inch). Turn position adjusting
screw (4), if necessary,
to
set correct
clearance. Tighten adjusting screw jam
nut, then recheck clearance.
81