Crankshaft And Main Bearings - Ford 1100 Shop Manual

Paragraphs 44-45
FORD
Models 1500-1700
Pin Diameter
Standard 31.996-32.0 mm
(1.2597-1.2598 in,)
Wear Limit 31.95 mm
(1.258 in.)
Pin to Rod Bushing Clearance
Standard 0.02-0.04 mm
(0.0008-0.0016 in,)
Wear Limit 0,10 mm
(0.004 in.)
Models 1510-1710
Pin Diameter
Standard 24.996-25.0 mm
(0.9841-0.9842 in,)
Wear Limit 24.98 mm
(0,9835 in.)
Pin to Rod Bushing Clearance
Standard 0.015-0.030 mm
(0.0006-0.0012 in.)
Wear Limit 0.08 mm
(0.003 in.)
Models 1910-2110
Pin Diameter
Standard 31.99-32.0 mm
(1.2595-1.2598 in.)
Wear Limit 31.97 mm
(1.2587 in.)
Pin to Rod Bushing Clearance
Standard 0.02-0.04 mm
(0,0008-0,0016 in,)
Wear Limit 0.15 mm
(0.006 in.)
Piston pin bushing in connecting rod is
renewable. After new bushing is pressed
into position, an oil hole must be drilled
in top of bushing using the hole in the
rod as a guide. Bushing must be reamed
and finish honed to provide desired
clearance for piston pin.
CONNECTING RODS
AND BEARINGS
All Models
44. Connecting rod crankpin bearing
inserts are available in standard size and
0.25 mm (0.010 inch) and 0,50 mm (0.020
inch) undersizes. Refer to paragraph 43
for installing and sizing piston pin bush-
ings in connecting rod.
Refer to the following specification
data.
Models 1100-1200-1300
Crankpin Diameter
Standard 47.951-47.970 mm
(1.8878-1.8886 in.)
Crankpin Bearing Diametral Clearance
Desired 0.035-0.096 mm
(0.0014-0.0037 in,)
Wear Limit .0.20 mm
(0.008 inch)
Model 1110
Crankpin Diameter
Standard 47.959-47-975 mm
(1,8882-1,8888 in,)
Crankpin Bearing Diametral Clearance
Desired 0,02-0,09 mm
(0.0008-0.0035 in.)
Wear Limit 0.2 mm
(0.008 in.)
Model 1210-iaiO
Crankpin Diameter
Standard 38.964-38.975 mm
(1.5340-1.5344 in.)
Crankpin Bearing Diametral Clearance
Desired 0.035-0.083 mm
(0,0014-0,0032 in,)
Wear Limit 0.2 mm
(0.008 in.)
Models 1500-1700
Crankpin Diameter
Standard 59,951-59.970 mm
(2.3603-2.3610 in.)
Crankpin Bearing Diametral Clearance
Desired 0.040-0,104 mm
(0.0016-0.0040 in.)
Wear Limit 0.20 mm
(0.008 in.)
Model 1510
Crankpin Diameter
Standard 47,964-47,975 mm
(1.8884-1.8888 in,)
Crankpin Bearing Diametral Clearance
Desired 0.035-0.085 mm
(0.0014-0.0033 in.)
Wear Limit 0.20 mm
(0.008 in.)
Model 1710
Crankpin Diameter
Standard 47,964-47,975 mm
(1.8884-1.8888 in.)
Crankpin Bearing Diametral Clearance
Desired 0.02-0,09 mm
(0,0008-0.0035 in.)
Wear Limit 0.20 mm
(0,008 in,)
Models 1910-2110
Crankpin Diameter
Standard 59.95-59.97 mm
(2.360-2.361 in.)
Crankpin Bearing Diametral Clearance
Desired 0,040-0.104 mm
(0.002-0,004 in,)
Wear Limit 0.20 mm
(0,008 in.)
Refer to paragraph 41 for assembly of
piston to connecting rod. After installa-
tion, check connecting rod side play on
(Crankshaft using a feeler gage. Normal
side play is 0.10-0.30 mm (0.004-0.012
in,). Renew connecting rod if side play
exceeds 0.70 mm (0.028 in,).
CRANKSHAFT AND MAIN
BEARINGS
All Models
45. The crankshaft is supported at
front and rear by sleeve type main bear-
ings on all models except 1210 and 1310,
On 1210 and 1310 models, the crank-
shaft is supported at the front by a
sleeve type bearing and supported at the
rear by a split type bearing insert and
holder. On all three cylinder models, the
crankshaft is also supported in the
center by two split type bearing inserts
and holders. On 2110 models, crankshaft
is supported in the center by three split
type bearing inserts and holders.
On 1100, 1110, 1200, 1300, 1500 and
1700 models, crankshaft end play is
limited by thrust washers located at in-
ner faces of front and rear main bear-
ings. On 1210 and 1310 models, crank-
shaft end play is limited by thrust
washers located at front and rear face of
rear main bearing holder. On 1510 and
1710 models, crankshaft end play is
limited by thrust washers located at
front and rear of third (from front) main
bearing holder. On 1900 and 1910
models, crankshaft end play is limited by
thrust washers located at front and rear
of second (from front) main bearing
holder. On 2110 models, crankshaft end
play is limited by thrust washers located
at the center (third from front) main
bearing holder.
To remove crankshaft and bearings,
the engine must be removed from the
tractor as outlined in paragraph 26.
Remove cylinder head, oil pan, engine
balancer (Model 2110) and piston and
rod assemblies. Remove timing gear
case, clutch, flywheel, engine rear plate
and rear main bearing holder. On three
and four cylinder models, remove cap
screws retaining center main bearing
holders. On all models, withdraw crank-
shaft from the rear.
Measure crankshaft journals for size,
taper and out-of-round. Crankshaft
should be reground to appropriate
undersize or renewed if taper or out-of-
round exceeds 0,05 mm (0,002 inch).
Main bearings and connecting rod bear-
ings are available in undersizes of 0.25
mm (0.010 inch) and 0.50 mm (0,020
inch) as well as standard size. Check
crankshaft runout and straighten or
renew crankshaft if runout Exceeds 0.05
mm (0,002 inch). Refer to the following
crankshaft specifications.
Models 1100-1200-1300
Main Journal Diameter
Standard 67.951-67,970 mm
(2.6752-2.6760 in.)
38