Kubota DG972 E2, Applications Manual, Page: 81 / 93

7
• Exceptions
– When it is necessary to offset the installation positions of the catalyst parts to avoid part interference or etc,
a spacer can be used between the exhaust manifold and catalyst parts.
[Only for WG972]
Allowable max thickness of the spacer is
20 mm (0.78 inch) . [Important]
[Only for WG752]
Allowable max thickness of the spacer is
13 mm (0.51 inch) . [Important]
[Check Item]
• Kubota gasket must be installed on both sides of the spacer.
• The surface-roughness of both Sides of the spacer must be less than 3.2a (3.2
μ m).
And allowance of levelness must be less than 0.2 mm.
• The material of the spacer must be corresponding of SPHC.
• Tighten torque must be within 23.5~27.5 N
·
m (17.33~20.28 lb
·
ft)
• When change the stud on the exhaust manifold or use the bolt to tighten, the material of the stud and the bolt
must be SAE10B23H.
• Refer to SOS option manual for the installation pitch and etc. of exhaust manifold and catalyst parts.