Kubota WSM 07-E3B Series User Manual

S-22
07-E3B SERIES, WSM
ENGINE
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. (Refer to “5. SPECIAL TOOLS” at
“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
1
(rpm) with
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 %.
W1048776
Compression
pressure
V2607-DI-T-E3B
Factory
spec.
3.20 MPa / 250 min
-1
(rpm)
32.6 kgf/cm
2
/ 250 min
-1
(rpm)
464 psi / 250 min
-1
(rpm)
Allowable
limit
2.20 MPa / 250 min
-1
(rpm)
22.4 kgf/cm
2
/ 250 min
-1
(rpm)
319 psi / 250 min
-1
(rpm)
V2607-DI-E3B
V3007-DI-T-E3B
V3307-DI-T-E3B
Factory
spec.
3.92 MPa / 250 min
-1
(rpm)
40.0 kgf/cm
2
/ 250 min
-1
(rpm)
569 psi / 250 min
-1
(rpm)
Allowable
limit
2.90 MPa / 250 min
-1
(rpm)
29.6 kgf/cm
2
/ 250 min
-1
(rpm)
421 psi / 250 min
-1
(rpm)
Tightening torque
Glow lead mounting nut
0.98 to 1.7 N·m
0.10 to 0.18 kgf·m
0.73 to 1.3 lbf·ft
Glow plug
7.7 to 9.3 N·m
0.78 to 0.95 kgf·m
5.7 to 6.8 lbf·ft
(1) Compression Tester (2) Glow Plug Adaptor
KiSC issued 06, 2020 A

Kubota WSM 07-E3B Series Specifications

General

Brand	Kubota
Model	WSM 07-E3B Series
Category	Engine
Language	English