4-7
4.7 REPLACING SHOCKMOUNTS
4.7.1 Replacement Criteria
When the neoprene shockmount has been cut, split,
abraded or has flared due to wear from bolts and normal
deterioration.
4.7.2 Shockmount Replacement
a. Engine (See Figure 4-6)
1. Place a two ton jack (minimum) under the center
of the engine to support its’ weight.
2. Remove all hardware as shown in Figure 4-6,
items 1, 2, 3, 4, 7, 8 & 9.
3. Raise the engine just enough to remove the
shockmounts (item 6).
4. Install new shockmounts.
5. Lower jack enough to assemble hardware as
shown and torque to a value of 97 ft-lb (13.41 mkg).
6. Remove jack.
1. Screw (1/2-13 x 5.50 lg)
2. Flat Washer (1/2)
3. Locknut (1/2-13)
4. Flat Washer (.125 Thick)
5. Engine Shockmount Frame
6. Shockmount
7. Screw (3/8-16 x 1-1/4 lg)
8. Flat Washer (3/8)
9. Locknut (3/8-16)
Genset frame
1
2
5
3
4
6
7
8
8
9
Figure 4-6. Engine Shockmounts
NOTE
For torque values refer to section 4.9.
b. Generator (See Figure 4-7)
1. Screw (5/8-18 x 4.00 lg)
2. Flat Washer (5/8)
3. Locknut (5/8-18)
4. Flat Washer (.250 Thick)
5. Generator Shockmount Frame
6. Shockmount
7. Screw (3/8-16 x 1-1/4 lg)
8. Flat Washer (3/8)
9. Locknut (3/8-16)
Genset frame
1
2
3
4
5
6
7
8
8
9
Figure 4-7. Generator Shockmounts
NOTE
For torque values refer to section 4.9.
1. Place a two ton jack (minimum) under the center
of the generator to support its’ weight.
2. Remove all hardware as shown in figure
Figure 4-7, items 1, 2, 3, 4, 7, 8 & 9.
3. Raise the generator just enough to remove the
shockmounts (item 6).
4. Install new shockmounts.
5. Lower jack enough to assemble hardware as
shown and torque to a value of 97 ft-lb (13.41 mkg).
6. Remove jack.
