Kubota DG972 E2, Applications Manual, Page: 66 / 93

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Vibration Measuring Sheet for Sheet SI Engines
Unit model / serial no. : Product Name : checked place at :
Engine model
:
Engine serial no.
:
Loading condition
:
(unit)
vibrating acceleration RMS***
(G)
total amplitude
(mm)
result
direction
(rotation)
㸢
standard
value of
evaluation
4/4
full load
min -1 (rpm)
0/4
No load
min -1 (rpm)
(resonance
point)
min -1 (rpm)
standard
value of
evaluation
4/4
full load
min -1 (rpm)
0/4
No load
min -1 (rpm)
(resonance
point)
min -1 (rpm)
good
OK
No good
to be
modified
1. Crank case
up / down 8(10) 0.7(1)
forward / rear
㸡 㸡
left / right 㸡 㸡
2. Radiator
up / down 2(3) 0.5(1)
forward / rear
㸡 㸡
left / right 㸡 㸡
3. Muffler
up / down 5(10) 0.7(1)
forward / rear
㸡 㸡
left / right 㸡 㸡
4. Air cleaner
up / down 5(10) 0.7(1)
forward / rear 㸡 㸡
left / right 㸡 㸡
5. Fuel filter
up / down 5(6) 0.7(1)
forward / rear 㸡 㸡
left / right 㸡 㸡
6. Fuel tank
up / down 7(10) 0.7(1)
forward / rear 㸡 㸡
left / right 㸡 㸡
7. Carburetor
up / down 5 0.7(1)
forward / rear 㸡 㸡
left / right 㸡 㸡
8.
Vaporizer
up / down 5(10) 0.7(1)
forward / rear 㸡 㸡
left / right 㸡 㸡
9. Starter
up / down 5(10) 0.7(1)
forward / rear 㸡 㸡
left / right 㸡 㸡
10. Dinamo / Alternator
up / down 5(10) 0.7(1)
forward / rear 㸡 㸡
left / right
㸡 㸡
11. IG coil
up / down 5(10) 0.7(1)
forward / rear 㸡 㸡
left / right
㸡 㸡
12. Electric parts like Regulator, Lamp timer etc. and others
up / down 2(3) 0.5(1)
forward / rear 㸡 㸡
left / right
㸡 㸡
note : 1) "forward / rear" is crankshaft direction and "left / right" is a right angle direction for crankshaft.
2) Figure ( ) in the judgment column shows max. value of resonance point where passed by temporally.
3) RMS*** : root mean square value.
special note :
_________________________________________________________________________________________________
_________________________________________________________________________________________________
_________________________________________________________________________________________________
* If there are specification or structural changes at Customer 㵭 s product, application must be rechecked and reported.
confirmed
Customer :_____________________ Distributor :_____________________ KUBOTA :_____________________
reported by :_____________________
11/jan/01
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