Handling Liquid Gasket; Replacing O-Rings; Replacing Oil Seals - Kubota D1803-CR-E4 Workshop Manual

2. GENERAL
(4) Side that receives force
(5) Force
• When installing the circlip, assemble the circlip's
angular side (3) toward the side that receives force
(4) as shown in the figure.

4. Handling liquid gasket

(1) Application route
(2) Bolt hole
(3) Dowel pin
(A) Correct
(B) Incorrect
• Use the specified liquid gasket.
• When using liquid gasket, fully remove the old
gasket and grease or oil.
• When applying liquid gasket, apply it on the joint
surface with a thickness of 3.0 to 5.0 mm (0.12 to
0.13 in.) without making any gaps.
• When applying liquid gasket near the bolt hole (2),
apply it in the inner side.
• If there is a risk of oil leakage or if the hole goes all
the way through when applying liquid gasket near
the dowel pin (3) hole, apply it in the inner side.
If there is no concern of oil leakage, apply it on the
outer side.
• Reassemble within 15 minutes after applying; wait
for 30 minutes or more then fill with oil.
2-2
(A) External circlip
(B) Internal circlip
(a) 3.0 to 3.5 mm (0.12 to
0.13 in.)
(b) 3.0 to 5.0 mm (0.12 to
0.19 in.)
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
GENERAL WORKING PRECAUTIONS

5. Replacing O-rings

(1) O-ring groove
(2) O-ring
1. Remove the burr and clean the O-ring groove.
2. Lubricate the O-ring. Do not apply any grease to
the floating seal.
3. Put the O-ring in the groove.
NOTE
• Do not twist the O-ring.
• Remove the burr to avoid damage on the O-
ring caused by the burr.

6. Replacing oil seals

(1) Packing
(2) Metal ring
(3) Spring
(4) Seal lip
1. Do not face the lip of the oil seal in the wrong
direction. Face the main lip toward the material to
be sealed.
2. Use a press to install the oil seal until firmly fixed to
the boss.
NOTE
• In cases when installing an oil seal without a
press, place a wooden board on the seal
and gently tap the board with a hammer;
install the oil seal straightly and evenly.
4. Handling liquid gasket
(3) Burr
(5) Grease
(6) Dust lip
(A) Air side
(B) Oil side
KiSC issued 12, 2018 A