Engine-Manual.pdf

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ENGINE SPECIFICATIONS
MECHANICAL
LOCATION INDEX
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Engine cover
1
(See ENGINE COVER REMOVAL/INSTALLATION .)
2 Drive belt
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Engine Specifications
Page 1
(See DRIVE BELT DEFLECTION/TENSION INSPECTION .)
(See DRIVE BELT ADJUSTMENT .)
(See DRIVE BELT REPLACEMENT .)
Engine
(See COMPRESSION INSPECTION .)
3
(See ENGINE REMOVAL/INSTALLATION .)
(See ENGINE DISASSEMBLY/ASSEMBLY .)
Rear oil seal
4
(See REAR OIL SEAL REPLACEMENT .)
ENGINE COVER REMOVAL/INSTALLATION
1. Remove in the order shown in the figure.
2. Install in the reverse order of removal.
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Engine Specifications
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DRIVE BELT
DRIVE BELT DEFLECTION/TENSION INSPECTION
CAUTION:
•
•
•
•
The drive belt deflection can be inspected only between specified pulleys.
Perform the drive belt deflection/tension inspection when the engine is cold, or at least 30 min after the
engine has stopped.
If the drive belt that is being used exceeds the deflection/tension limit, adjust it to the deflection/tension
used when adjusting.
After replacing with a new drive belt, assemble with the deflection/tension for the new drive belt.
Operate the generator drive belt for 1 min or more and the A/C drive belt for 5 min or more while idling
the engine. Then adjust it to the deflection/tension used when adjusting.
1. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
2. Apply a pressure of
98 N {10 kgf, 22 lbf}
to the back of the drive belt in the middle of the pulleys
shown in the figure and inspect the deflection. Otherwise, inspect the tension using the
SST
.
NOTE:
•
•
The drive belt tension can be inspected anywhere between the pulleys. The drive belt deflection
can be inspected only between specified pulleys.
If the drive belt deflection is at the deflection limit or more, or the drive belt tension is at the
tension limit or less, adjust the drive belt tension.
Drive belt deflection (with pressure of 98 N {10 kgf, 22lbf})
New
Item
(mm {in})
(mm {in})
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Engine Specifications
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When adjusting
Deflection
limit
(mm {in})
6.0 {0.24}
Generator 4.04.5 {0.160.17} 4.55.0 {0.180.19}
or more
5.5 {0.21}
A/C
3.03.8 {0.110.14} 3.34.0 {0.130.15}
or more
Drive belt tension (when using the SST)
Tension
New
Item
(N {kgf, lbf})
(N {kgf, lbf})
(N {kgf, lbf})
344
Generator 620767 {63.378.2, 140172} 519666 {53.067.9, 117149} {35.1, 77.3}
or less
265
A/C
559706 {57.171.9, 126158} 519617 {53.062.9, 117138} {27.1, 59.6}
or less
3. Install the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
When adjusting
limit
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Engine Specifications
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DRIVE BELT ADJUSTMENT
Generator Drive Belt
1. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
2. Loosen generator installation bolt A and locknut B.
3. Adjust the drive belt deflection and tension by turning adjusting bolt C to the specification.
Drive belt deflection (with pressure of 98 N {10 kgf, 22 lbf})
o
4.55.0 mm {0.180.19 in}
Drive belt tension (when using the SST)
519666 N {53.067.9 kgf, 117149 lbf}
4. Tighten generator installation bolt A and locknut B to the specified torque.
o
Tightening torque
A: 3851 N·m {3.95.2 kgf·m, 2937 ft·lbf}
B: 2030 N·m {2.13.0 kgf·m, 1522 ft·lbf}
5. Crank the engine and measure the deflection and tension again. If not within the specification, repeat
from Step 2 again.
6. Install the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
o
o
A/C Drive Belt
1. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
2. Loosen idle pulley locknut A.
3. Adjust the drive belt deflection and tension by turning adjusting bolt B to the specification.
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Engine Specifications
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