Kubota G21LD / G21HD Workshop Manual page 98

G21LD · G21HD, WSM
(C) Connecting Rod and Piston
Oil Pan and Oil Strainer
1. Remove the oil pan (4).
2. Remove the oil strainer (3).
(When reassembling)
• Install the oil strainer, using care not to damage the O-ring (1).
• Using the hole (6) numbered "3", install the oil strainer by
mounting screw.
• Apply liquid gasket (Three Bond 1270D or 1270C) to the oil pan
as shown in the figure.
n IMPORTANT
• Scrape off the old adhesive completely. Wipe the sealing
surface clean using waste cloth soaked with gasoline.
Now apply new adhesive 3 to 5 mm (0.12 to 0.20 in.) thick all
over the contact surface. Apply the adhesive also on the
center of the flange as well as on the inner wall of each bolt
hole.
• Cut the nozzle of the "fluid sealant" container at its second
notch. Apply "fluid sealant" about 5 mm (0.20 in.) thick.
Within 20 minutes after the application of fluid sealant,
reassemble the components.
minutes, and pour oil in the crankcase.
(1) O-ring
(2) Screw
(3) Oil Strainer
(4) Oil Pan
Connecting Rod Cap
1. Remove the connecting rod screws from connecting rod cap.
2. Remove the connecting rod caps.
(When reassembling)
• Align the marks (a) with each other. (Face the marks toward the
injection pump.)
• Apply engine oil to the connecting rod screws and lightly screw it
in by hand, then tighten it to the specified torque.
If the connecting rod screw won't be screwed in smoothly, clean
the threads.
If the connecting rod screw is still hard to screw in, replace it.
• Do not change the combination of crankpin bearing and
connecting rod.
Tightening torque Connecting rod screw
(a) Mark
1-S26
ENGINE
Wait then for about 30
(5) Oil Pan Mounting Screws
(6) Hole
(7) Fluid Sealant
W10265670
26.5 to 30.4 N·m
2.7 to 3.1 kgf·m
19.5 to 22.4 ft-lbs
W10275480
KiSC issued 08, 2007 A