Lubrication; Checking Gear Backlash; Testing Oil Pressure; Oil Pump (Rotor Type) - Checking Rotor Lobe Clearance - Kubota D1102-B Workshop Manual

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Checking Gear Backlash

1 ) ) I nstall a lever-type i ndicator between gear teeth.
2 ) Clamp one gea r, rotate the other, and measu re the back-
lash .
3 ) Replace if the measu rement exceeds the al l owable l i m i t.
0

Testing Oil Pressure

1) Detach the oi l swi tch and attach a pressu re gauge.
2) Start the engi ne. Measu re oi l pressu res both at idl i ng and
the rated speed ru n n i ng.
3) I f the measu rement is not with i n the reference ra nge,
check the oi l pu m p, the oi l ways, the oi l cl eara nces a nd the
pressu re-regu l ating val ve.
(Note for measuring)
• Supply the specified amount of genuine oil.
• Keep the oil filter from being clogged or torn.
!--- - - - - - ---
At speed
idling
At
rated engine speed
Oil Pump (Rotor Type)
( 1) Checking Rotor Lobe Clearance
1 ) ) Mate the projections of the i n ner and ou ter rotors. I
nsert a feeler gauge i nto the gap between the projections.
2 ) Repl ace if the measu rement exceeds the al l owable l i m i t.
Model Reference value
1-- - -
1---
D1102- B
0.10 to 0.16 mm
D1302-B
0.0039 to 0.0063 in.
D1402-B
V1502-B
0.04 to 0.13 mm
V1702-B
0.0016
V1902-B
60
Reference value
Approx. 98. 1 kPa.
Approx. 1.0
Approx. 14.2
294.2 to 441.3
3.0 to 4.5
42.7 to 64.0
0.0051
to in.
KiSC issued 09, 2007 A