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SECTION 10
CAMPING & OPERATING
Blocking Procedure
Fig. 10.4 Blocking procedure
Fig. 10.5 Blocking Procedure
70
Reminders before jacking:
1. Use only jacks in good condition with a
minimum rating of 5 tons.
2. Use a steel plate (3/8" x 2 1/2") between
jack and steel "I"-beam to distribute the
concentrated loads. (see Fig. 10.4)
3. Use a firm support under the jack base to
prevent tipping or settling of the jack.
4. Always follow the sequence of jacking
outlined below to avoid overstressing
structural members.
5. This is to be done with the slide rooms
retracted.
The jacking procedure is as follows:
1. After the park trailer is located in its final
position, you can preliminarily level it by
using the hitch jack but only after
adequately blocking the trailer.
2. Jack up one side of the park trailer by
placing one jack just forward of the front
spring hanger and the other just behind
the rear spring hanger. These two jacks
must be operated simultaneously to raise
the home. Jack low side of the home first.
Install footings and piers; one just forward
of the front jack and another just behind
the rear jack (taking care not to exceed
the correct spacing selected from Fig.
10.2).
3. Next, jack the main "I"-beam at the front
and position a pier within 1'-0" of the end
of the "I"-beam. At the completion of this
step, this side of the park trailer should be
approximately level.
4. Repeat Steps 2 and 3 for the other side of
the park trailer. At the completion of this
step, the park trailer should be roughly
level from front to rear and from side to
side.
5. Place the remaining pier supports under
the main "I"-beam on each side taking
care to maintain a maximum distance of
no more than the spacing determined
from Table 1 with piers located within 1'-0"
of each end of each "I"-beam. (See Fig.
10.5)
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