Check Point Of Every 50 Hours - Kubota WSM 07-E3B Series Workshop Manual

07-E3B SERIES, WSM

[3] CHECK POINT OF EVERY 50 HOURS

Checking Fuel Hoses and Clamp Bands
1. If the clamp band (2) is loose, apply oil to the threads and
securely retighten it.
2. The fuel hose (1) is made of rubber and ages regardless of the
period service.
Change the fuel pipe together with the clamp band (2) every two
years.
3. However, if the fuel hose (1) and clamp bands (2) are found to be
damaged or deteriorate earlier than two years, then change or
remedy.
4. After the fuel hose (1) and the clamp bands (2) have been
changed, bleed the fuel system.
CAUTION
• Stop the engine when attempting the check and change
prescribed above.
(When bleeding fuel system)
1. Fill the tank with fuel and open the cock.
2. Loosen the air vent coupling bolt of fuel filter a few turns.
3. When there is no more air bubbles in the fuel coming out of this
coupling bolt, tighten the coupling bolt.
4. Open the air vent cock (3) on the top of fuel injection pump.
5. If equipped electrical fuel feed pump, turn the key on AC position
and pump the fuel up for 10 to 15 seconds.
If equipped mechanical fuel feed pump, set the stop lever on stop
position and crank the engine for 10 to 15 seconds.
6. Close securely the air vent cock (3) after air bleeding.
IMPORTANT

• Except when venting the air, be sure to keep closed the air
vent coupling bolt of the fuel injection pump. Otherwise, the
engine may stall.
(1) Fuel Hose
(2) Clamp Band
G-13
G GENERAL
(3) Air Vent Cock
W1035921
KiSC issued 06, 2020 A