Westerbeke W-27 Service Manual

TECHNICAL DATA
TIGHTENING TORQUE
DESCRIPTION
MODELS
TYPE/QUANTITY
TIGHTENING TORQUE (kg-m)
CYLINDER HEAD BOLT
A
C
M12 bolt
(10)
11.5 - 12.5 (wet)
A
C
M10 bolt
(4)
6.5 - 8.0 (wet)
B M14 bolt
(10) 15 -16
B M14 bolt
(4) tappet side 10 -11
CRANKSHAFT PULLEY NUT A C
M18t
15 -20
B M20
20-25
MAIN BEARING CAP BOLT
A B
C
5 -5.5
CONNECTING ROD CAP NUT A C 3.2 -3.5
CONNECTING ROD CAP BOLT B 5.5 - 6.0
FLYWHEEL MOUNTING BOLT (with flange) A B C
13 -14
(8T) (WITH WASHER: OLD)
A B C
11.5
12.5
OIL DRAIN HOSE BANJO BOLT A B
C
5-6
OIL FILTER
A B
C
1.1 -1.3
FUEL INJECTION PUMP
Delivery valve holder A B
C
4 5
NOZZLE HOLDER
Holder mounting bolt A B C
1.5 -2
Holder body and retaining nut A B C
6-8
GLOW PLUG
A B
C
1.5 -2
GENERAL SCREWS
BOLT DlA.
BOLT HEAD MARK
4 7
10
M6
0.3 - 0.5 0.8 -1.0
1.0 -1.3
M8
1.0 -1.3 1.5 - 2.2 2.5 -3.5
M10
1.8 - 2.5
3.0 -4.2
5.0
7.0
M12
3.0
4.2
5.5
7.5
9.5 -12.0
M14
5.0 -7.0 8.0 -11.0
16.0 -19.0
SEALANTS
PARTS REQUIRING SEALANT SURFACES REQUIRING SEALANT
SEALANT
(where to mount sealant coated parts)
Taper screw 1/2 /I
Thread portion (Gear case)
Liquid Teflon
Taper screw 1/4 1/
Thread portion (Cylinder block right side, pump cover)
Liquid Teflon
Taper screw 1/8 1/
Thread portion (Cylinder head rear surface)
Liquid Teflon
Water drain plug Thread portion (Cylinder block right side, rear middle portion) Liquid Teflon
Oil pressure switch
Thread portion (Cylinder block right side surface)
Liquid Teflon
Side seal
Periphery (Main bearing caps No. 1 and No.5)
Permatex #6B
Bearing cap No. 1 Contact surface with cylinder block
Permatex #6B
Engines & Generators
11

Westerbeke W-27 Specifications

General

Brand	Westerbeke
Model	W-27
Category	Engine
Language	English