Caterpillar Cat 214BFT EXCAVATOR (Prefix 4CF) Service Repair Manual (4CF00001 and up).pdf

Service Repair Manual
Models
214B and 214B FT
EXCAVATOR

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Product: EXCAVATOR
Model: 214B EXCAVATOR 4CF
Configuration: 214B & 214BFT EXCAVATORS WHEEL TYPE 4CF00001-UP (MACHINE) POWERED BY 3116 ENGINE
Disassembly and Assembly
3114, 3116 and 3126 MUI Engine Governors
Media Number -SENR6454-05 Publication Date -01/02/2002 Date Updated -01/03/2002
i01096573
Governor (Type IV) - Assemble
SMCS - 1264-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7307 Governor Repair Fixture (1)
1
B 1U-7635 Clevis Driver (1)
1
C 1U-7606 Servo Block (1)
1
D 1U-7277 Pin Punch 1
E 1P-1857 Retaining Ring Pliers 1
F 1P-1855 Retaining Ring Pliers 1
G 1U-7310 Torque Adjusting Tool (1)
1
H 1U-7311 Wrench (1)
1
I 1U-7309 Shim Adjustment Tool (1)
1
J 1U-7313 Gauge Block (1)
1
K 1U-7312 Calibration Plate (1)
1
L 1U-7314 Weight (1)
1
M 1U-7308 Shim Adjustment Tool (1)
1
( 1 )
Part of the former 1U-9088 Tool Group
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NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Inspect all parts of the governor upon assembly. For information on the reusability of
components in the governor, refer to the Guideline For Reusable Parts And Salvage Operations,
SEBF8434, "3100 Governor Inspection and General Information for Mechanical Governor Groups
Used in 3114, 3116, and 3126 Engines Equipped with Mechanical Unit Injectors (MUI)". For
information on cleaning the components in the governor, refer to the The Cleaning Guide,
SEBF8354, "Equipment And Chemical Recommendations Reference Manual".
Note: Refer to Chart A "Parts to be Replaced During Rebuild" in Guideline For Reusable Parts
And Salvage Operations, SEBF8434 for a list of components that need to be replaced during a
governor rebuild. It is not necessary to replace the components in Chart A "Parts to be Replaced
During Rebuild" if the governor is in the shop for a bench test or for minor repair.
Note: Refer to Chart B "Parts Replacement Chart" in Guideline For Reusable Parts And Salvage
Operations, SEBF8434 for a list of components that need to be replaced when the servo assembly
is serviced.
Note: Put clean engine oil on all parts before assembly. Ensure that all of the oil passages in
the governor are free of obstructions.
Illustration 1 g00575658
Note: Inspect all of the governor parts for wear or for damage. If any of the governor parts
are worn or damaged, use new parts for replacement.
1. Install fuel ratio control lever (85) in the governor rear housing.
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Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
2. Install O-ring seal (84) onto fuel ratio control valve (83) .
3. Install fuel ratio control valve (83) into the governor rear housing. Install bracket (82) and
bolt (81) in order to hold fuel ratio control valve (83) in position.
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4. Install limit lever assembly (78), spring (80) and washer (79). Ensure that the straight end of
spring (80) is resting on the aluminum casting.
5. Install retaining clip (77) .
6. Use the following procedure to assemble the later style of governor output servo assembly.
a. Thoroughly clean all parts of the governor output servo assembly.
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Governor Output Servo (Later Style)
(70) Sleeve
(71) Servo piston
(72) Servo Valve
(73) Clevis
(74) Spring pin
(75) O-ring seal
(76) Tolerance Ring
b. Install servo valve (72) into servo piston (71) .
c. Install O-ring seal (75) onto sleeve (70) and slide the sleeve onto servo piston (71) .
d. Install a new 109-4587 Tolerance Ring (76) into the large bore in the end of servo
piston (71). Position the tolerance ring so that the gap in the tolerance ring lines up
with the hole through the side of the piston that is for spring pin (74). Push the
tolerance ring into the bore until the tolerance ring bottoms out.
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(B) 1U-7635 Clevis Driver
(C) 1U-7606 Servo Block
(70) Sleeve
(71) Servo piston
(73) Clevis
e. Place Tool (C) in a vertical position. The small round hole should face upward. Put
the servo assembly in position on Tool (C). Install servo valve (72) in an upward
position.
f. Put clevis (73) in position on the servo valve, as shown. Use Tool (B) to press clevis
(73) into servo piston (71) from the end with the tolerance ring.
g. Position clevis (73) so that the hole for spring pin (74) is in alignment with the gap in
the tolerance ring and the hole in servo piston (71). Press clevis (73) until the clevis
bottoms out against servo piston (71).
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(D) 1U-7277 Pin Punch
(73) Clevis
h. Position Tool (C) on the side so the notch is facing upward. Position the governor
output servo so the sleeve is in the recess of Tool (C). Insert clevis (73) into the servo
piston in the recess that is marked "PIN". Rotate the governor output servo so that the
hole for spring pin (74) is aligned with clevis (73). Use Tool (D) to press a new 6D-
9953 Spring Pin (74) into the governor output servo until the end of the spring pin is
flush with the outside diameter of the servo piston.
7. Use the following procedure to assemble the earlier style of governor output servo
assembly.
a. Thoroughly clean all parts of the governor output servo assembly.
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Governor Output Servo (Earlier Style)
(70) Sleeve
(71) Servo piston
(72) Servo Valve
(73) Clevis
(74) Spring pin
(75) O-ring seal
b. Install servo valve (72) into servo piston (71) .
c. Install O-ring seal (75) onto sleeve (70) and slide the sleeve onto servo piston (71) .
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(71) Servo piston
(73) Clevis
d. Position Tool (C) on the side so the notch is facing upward. Position the governor
output servo so the sleeve is in the recess of Tool (C). Position the clevis end of the
servo piston in the recess. The recess will be marked "PIN" on the side.
e. Insert clevis (73) into the piston bore.
f. Align the holes in clevis (73) and servo piston (71). Press a new 4H-1641 Spring Pin
(74) until the end of the spring pin is flush with the outside diameter of servo piston
(71) .
Note: Lubricate the bore of the governor rear housing lightly with clean engine oil before
the governor output servo is installed.
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8. Install the governor output servo into the governor rear housing by pushing on clevis (73).
Push the small end of the governor output servo assembly through the opening in the
governor rear housing. Press on clevis (73) until the governor output servo is seated in the
bore of the governor rear housing. To install governor output servo (68) into the governor
rear housing, push the small end of the governor output servo through the opening in the
governor rear housing.
9. Use Tool (C) to install retaining ring (69) .
10. Install control sleeve (65), spring (66) and limit sleeve (67) onto the shaft of the governor
output servo. Hold clevis (73) in position and push limit sleeve (67) toward the clevis.
Install retaining ring (68) with Tool (E) .
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11. Install bumper spring (55), if equipped. Install the washer and bolt (54) .
12. Install stop screw (53) for the bumper spring, if equipped.
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13. Install the spring and the fulcrum lever onto pivot shaft (61). Install torsion spring (63) and
torque cam adjuster (64) onto pivot shaft (61). Install torque cam (62) onto pivot shaft (61) .
14. Install bearing block assembly (57) onto pivot shaft (61) .
15. Install riser lever (59) onto bearing block assembly (57). Use Tool (B) to install retaining
ring (58). Install bolt (60) but do not tighten the bolt at this time. Use a feeler gauge to
obtain a 0.15 ± 0.05 mm (0.006 ± 0.002 inch) clearance between bearing block (57) and
riser lever (59). When the proper clearance is reached, tighten bolt (60) .
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16. Put bearing block (57) into position in the governor rear housing. Install two bolts (56).
Tighten the bolts to a torque of 4 ± 1 N·m (35 ± 9 lb in).
17. Use the following procedure to adjust the gap for the torque cam on Type IV governors.
(1) Seal
(A) Governor Repair Fixture
(G) Torque Adjusting Tool and Dial Indicator
(H) Wrench
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(2) Riser lever
(3) Riser lever swivel
(4) Torque cam setscrew
(5) Shoulder for the torque cam lever
(6) Torque cam lever
(7) Torque cam
(X) Torque cam dimension
a. Mount the governor rear housing on Tool (A) with the three legs that are included.
b. Use the 1U-7310 Torque Adjusting Tool (Tool (G) ) to adjust the position of the
torque cam.
c. Grasp riser lever (2) and rotate the riser lever counterclockwise. Rotate the riser lever
until torque cam lever (6) snaps past shoulder (5) on torque cam (7). Move torque
cam lever (6) over shoulder (5) on torque cam (7). Rotate riser lever (2) clockwise
until torque cam lever (6) contacts shoulder (5) on torque cam (7) .
d. Use two of the bolts that are furnished in the former 1U-9088 Governor Repair Group
to fasten Tool (G) to the governor housing. The post of Tool (G) should be facing
downward in order to make contact with riser lever swivel (3). Attach a 5S-8086
Contact Point to the tip of the dial indicator. Install the dial indicator into Tool (G)
until the dial indicator bottoms out. The tip of the dial indicator should rest on the
edge of riser lever (2) .
e. Place the 1U-7311 Wrench (Tool (H) ) into torque cam setscrew (4). Use Tool (H) as
a lever in order to rotate torque cam (7) counterclockwise until riser lever swivel (3)
contacts the post on Tool (G). Continue rotating torque cam (7) counterclockwise in
order to wind up the torsion spring. Hold Tool (H) in this position and zero the dial
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indicator. The large dial makes several sweeps during the procedure. It is important to
zero all of the dials in order to be certain of the total indicator reading at the end of
the procedure. Tighten the setscrew on Tool (G) in order to secure the dial indicator.
f. Use Tool (H) as a lever again and rotate the assembly counterclockwise until torque
cam (7) and torque cam setscrew (4) break apart. Release the pressure on Tool (H)
slowly until the setscrew comes in contact again with torque cam (7). Remove your
hand from Tool (H). The reading on the dial indicator will show dimension (X) for
the torque cam. Refer to the TMI in order to get the correct Dimension (X) .
g. If necessary, adjust the setscrew and repeat Steps 17.e and 17.f until the correct
dimension (X) is indicated on the dial indicator.
18. Remove the governor rear housing from Tool (A). Install the governor front housing on
Tool (A) .
19. Install seal (52) on the governor rear housing.
20. Install lower O-ring seal (51) into the fuel transfer pump housing.
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21. Install piston (50) into sleeve assembly (48) .
22. Install sleeve assembly (48) and tappet (49) into the fuel transfer pump housing.
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23. Install spring (46) and O-ring seal (47) into the fuel transfer pump housing.
24. Hold the cover in position on the fuel transfer pump housing and install three bolts (45) .
Note: Make sure that the cover is securely fastened to the governor housing. Fuel may leak
around the O-ring seal if the cover is not tight. Make sure that the fuel inlet fitting is tight in
the cover in order to ensure that no leaks occur.
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25. Install a new throttle shaft seal (44) if the seal was removed.
26. Install throttle shaft (40) into the governor front housing.
27. Install retaining clip (43) onto throttle shaft (40) .
28. Install control lever (41) and setscrew (42) onto throttle shaft (40) .
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29. Install throttle spring (38) and spacer (39) onto throttle shaft (40) .
30. Install retaining ring (37) onto throttle shaft (40). Ensure that the retaining ring is seated
properly in the groove on the end of throttle shaft (40) .
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31. Install blade (34) and blade (36) onto the fuel shutoff mechanism. Tighten the bolts that
hold blades (34) and (36) to a torque of 2.0 ± 0.2 N·m (18 ± 2 lb in).
Note: Spring (35) should not have been removed.
32. Put shutoff assembly (33) into position. Install two bolts (32) that secure the fuel shutoff
mechanism to the governor housing.
33. Install flyweight carrier (28) onto riser shaft (30). Install pin (31) into riser shaft (30) .
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Note: Ensure that flyweight carrier (28) and riser shaft (30) are seated properly in the gear
carrier before the eight new carrier bolts (29) are tightened.
34. Install flyweight carrier (28) and riser shaft (30) onto the gear carrier.
35. Install eight new carrier bolts (29). Hold flyweight carrier (28) in order to keep the
flyweight carrier from rotating. Tighten eight carrier bolts (29) to a torque of 10 ± 1 N·m
(90 ± 9 lb in).
Note: Do not reuse eight carrier bolts (29). Replace the used carrier bolts with new carrier
bolts.
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36. Install flyweight (25) onto flyweight toe (27) .
37. Install flyweight pin (26) through the bore in flyweight (25) and flyweight toe (27) .
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38. Install flyweights (25) in the original location.
39. Install the four washers and four bolts (24) that hold the flyweights in position. Tighten
bolts (24) to a torque of 2.2 ± 0.2 N·m (19 ± 2 lb in).
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40. Install shims (22), two races (21), and bearing (23) onto riser (19). Do not install retaining
ring (20) at this time. Use the procedure that follows to determine the correct number of
shims (22) to use on riser (19) .
(I) 1U-7309 Shim Adjustment Tool
(J) 1U-7313 Gauge Block
(K) 1U-7312 Calibration Plate
(X) Ball on the end of the stem
41. Put the 1U-7309 Shim Adjustment Tool (Tool (I) ) in position on top of the 1U-7312
Calibration Plate (Tool (K) ). Place the 1U-7313 Gauge Block (Tool (J) ) on top of Tool (K)
and under Tool (I) in order to zero the dial indicator. Lift up and rotate the knurled portion
of Tool (I) until ball (X) on the end of the stem rests on Tool (J). The above illustration
shows the correct method for setting the dial indicator to zero. Make sure that only the ball
touches Tool (J). If the stem before the ball touches Tool (J) an incorrect setting will result.
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(I) 1U-7309 Shim Adjustment Tool
(19) Riser
(L) 1U-7314 Weight
(X) Ball on the end of the stem
42. Install Tool (I) on the governor front housing and remove the bushing from the hole in the
Tool. Install riser (19) and put the bushing in position on Tool (I). Install Tool (L) on top of
riser (19) in order to compress the shims. Lift up on the knurled portion of Tool (I) and use
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the pointer to place ball (X) in the riser slot. Carefully lower ball (X) onto the slot on the
riser and read the dial indicator. The reading on the dial indicator should be 0.0 ± 0.08 mm
(0.0 ± .0031 inch). Shims must be added in order to increase the reading on the dial
indicator. Shims must be removed in order to decrease the reading on the dial indicator.
43. When the correct thickness of shims is determined, remove the riser assembly and Tool (A).
Install the correct number of shims (23) and install retaining ring (20) .
44. Install riser (19) onto the riser shaft and into governor front housing (18) .
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45. Put governor rear housing (17) in position on governor front housing (18). Make sure that
the fulcrum swivels are engaged with the control lever and the spool. The riser swivel must
be engaged in the riser and the fuel shutoff mechanism must be rotated out of the way.
Note: The swivel in the long arm of the fulcrum lever goes into the spool and the swivel in
the short arm of the fulcrum lever goes into the control lever.
46. Install six bolts (16) that hold the governor rear housing and the governor front housing
together. Tighten the bolts to a torque of 12 ± 3 N·m (9 ± 2 lb ft).
Note: Look through the hole in the rear cover at the spool on the riser. The spool on the
riser should move up and down as the throttle is actuated from low idle to high idle. If the
spool on the riser does not move, the front and the governor rear housings are not assembled
correctly.
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Typical Governor
(1) Bolt
(2) Orifice for the dashpot
(3) O-ring seal
(4) Bolt
(5) Cover
(6) Cover assembly
(7) O-ring seal
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(8) Shims
(9) Rear spring seat
(10) Retaining ring
(11) Spacer
(12) Piston assembly for the dashpot
(13) Shims for the high idle governor (if equipped)
(14) Spring pair
(15) Spring seat assembly
47. Screw the coils of spring pair (14) onto spring seat assembly (15). Align the springs so that
the springs are even with the spring seat and each other.
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48. Slide spring seat assembly (15) onto the riser shaft with the springs toward the outside.
Note: Rotate the springs on the spring seat so that the inner spring is aligned with the outer
spring. Remove the sharp edges from the flat surface on the inside diameter of the springs.
This will ensure that the springs are seated properly on the spring seat.
49. Install shims (13) for the governor high idle, if necessary.
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50. Install shims (8) and spacer (11) onto governor spring seat (9) .
51. Install governor spring seat (9) onto the riser shaft.
52. Remove O-ring seal (7). Lightly lubricate the bore of the governor rear housing with clean
engine oil and loosely install cover (6). Drain the oil from the rear cover sump into a
suitable container for storage or disposal.
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53. Put cover assembly (6) in position on the governor. Install three bolts (1) and evenly tighten
the bolts.
54. Ensure that orifice (2) for the dashpot is not plugged. Also ensure that orifice (2) is tight in
the casting.
55. Install O-ring seal (3) onto cover (5) .
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56. Put cover (5) in position on cover assembly (6) and install three bolts (4) .
Note: Before performing Step 58, the low idle screw must be backed out completely so that
the throttle lever contacts the governor housing. The low idle adjustment is made during
governor calibration.
(M) 1U-7308 Shim Adjustment Tool
57. Install the 1U-7308 Shim Adjustment Tool (Tool (M) ) and put the dial indicator point on
the center of the rear cover. Push down on the rear cover until the cover makes contact with
the governor housing. Zero the dial indicator. Slowly release the pressure on the rear cover.
As the cover is pushed out by the force of the spring under the cover, rotate the cover for
approximately 90 degrees. The reading on the dial indicator will determine the amount of
preload on the spring. Add shims or remove shims in order to establish the proper preload
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Caterpillar Cat 214BFT EXCAVATOR (Prefix 4CF) Service Repair Manual (4CF00001 and up).pdf

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