Checking, Disassembling And Servicing; Checking And Adjusting; Engine Body - Kubota WSM 07-E3B Series Workshop Manual

07-E3B SERIES, WSM

4. CHECKING, DISASSEMBLING AND SERVICING

[1] CHECKING AND ADJUSTING

(1) Engine Body

Compression Pressure
1. After warming up the engine, shut it down and remove the air
cleaner, the muffler, breather tube, glow lead and all glow plugs.
2. Install a compression tester (1) (Code No: 07909-30208) and
glow plug adaptor (2) (for V2607 / V3007 / V3307 diesel engines)
to glow plug hole.
"GENERAL" Section.)
3. After making sure that the stop lever is set at the stop position
(Non-injection), operate the engine at 200 to 300 min
the starter.
4. Read the maximum pressure. Measure the pressure more than
twice.
NOTE

• Check the compression pressure with the specified valve
clearance.
• Always use a fully charged battery for performing this test.
• Variances in cylinder compression values should be under
10 %.
V2607-DI-T-E3B
Compression
pressure
V2607-DI-E3B
V3007-DI-T-E3B
V3307-DI-T-E3B
Glow lead mounting nut
Tightening torque
Glow plug
(1) Compression Tester
S-22
(Refer to "5. SPECIAL
3.20 MPa / 250 min
Factory
2
32.6 kgf/cm / 250 min
spec.
464 psi / 250 min
2.20 MPa / 250 min
Allowable
2
22.4 kgf/cm / 250 min
limit
319 psi / 250 min
3.92 MPa / 250 min
Factory
2
40.0 kgf/cm / 250 min
spec.
569 psi / 250 min
2.90 MPa / 250 min
Allowable
2
29.6 kgf/cm / 250 min
limit
421 psi / 250 min
0.98 to 1.7 N·m
0.10 to 0.18 kgf·m
0.73 to 1.3 lbf·ft
7.7 to 9.3 N·m
0.78 to 0.95 kgf·m
5.7 to 6.8 lbf·ft
(2) Glow Plug Adaptor
ENGINE
TOOLS" at
1
(rpm) with
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
-1
(rpm)
W1048776
KiSC issued 06, 2020 A