Terex TS14G, Maintenance Manual

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Section 280-0020
SM 1888 1-00
3
Body - Scraper Pull Yoke
Disconnecting Electrical Wiring
1. Disconnect frame harness and rear transmission
harness from separation point on the gooseneck.
2. Tag and disconnect three heavy cables, (starter,
engine supply and engine earth) from separation point
on the gooseneck.
Removing King Pin
Numbers in parentheses refer to Fig. 2.
WARNING
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of adequate capacity to do the job
safely.
1. Block up the front end of the tractor with timber or
heavy-duty stands. Support the pull yoke with an
overhead crane or other suitable lifting equipment.
2. With a suitable container in position to catch any
spillage, disconnect the steering hoses from steering
cylinders and remove the steering cylinders. Refer to
Section 220-0120, STEERING CYLINDER, for
removal procedure for steering cylinders and attaching
components (4, 5, 6 & 7). Cap all hoses and ports to
keep out dirt.
3. Remove bolt (1), lockwasher (2), and nut (3) from
steering trunnion and upper king pin (9). Remove
upper king pin from pull yoke.
4. Using suitable lifting equipment, lift the scraper and
lower king pin (8) up and away from the tractor. While
removing pull yoke, carefully guide air and electrical
lines out of pull yoke.
5. If required, remove lower king pin from pull yoke.
Inspection
Numbers in parentheses refer to Fig. 1.
Check lower and upper king pins (5 & 14) for
excessive wear and replace as necessary. Check
king pin bores, and bushing (6) and replace worn or
damaged parts. If bushing (6) is to be replaced, make
sure the grease groove in the bushing, when
installed, will be in fine with the grease hole in the
upper king pin.
DISCONNECTING PULL YOKE FROM
BOWL
Numbers in parentheses refer to Fig. 1.
WARNING
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of adequate capacity to do the job
safely.
1. Support pull yoke (1) using suitable lifting
equipment. With a suitable container in position to
catch any spillage, tag and disconnect all necessary
hydraulic and air lines at the bowl, and cap lines to
keep dirt out.
2. Tag and disconnect electrical wires at bowl.
3. Remove bowl cylinder from lift beam of the bowl.
Refer to Section 235-0020, BOWL CYLINDER.
4. Remove bolts (3) and nuts (4) securing ball seats
(2) and pull yoke arms to the pull yoke arm balls on
bowl. Remove both ball seats (2) from pull yoke arms.
5. Slide pull yoke assembly forward to free it from the
pull yoke arm balls. Remove pull yoke assembly from
scraper bowl.
6. Remove lifting device from pull yoke.
INSPECTION
Numbers in parentheses refer to Fig. 1.
Check socket assembly on the end of the pull yoke
arm and ball seat (2) for wear, burrs and out of
roundness. Check pull yoke arm ball on bowl for wear.
Replace any parts that show signs of wear.
Courtesy of Machine.Market