7032 SOUTH 196th - KENT, WA 98032 - (253) 872-0141 / FAX (253) 872-8710
OPERATION / MAINTENANCE MANUAL
MODEL 50 VIBRATORY HAMMER WITH MODEL 260 POWER UNIT
IV. PREPARATION AND OPERATION (Continued...)
IV-3. Plumbing the Vibro Hoses to the Power Unit
There are five hoses leading from the vibro that must be connected to the power unit to begin
operation (Please see section III-2. Hose Identification on [page 2-3] ). There are two big hoses, two
little hoses and one middle sized hose. The hoses attach to the power unit by screwing the quick dis-
connect couplers onto the proper couplers of the power unit. The couplers on the power unit are
mated with the couplers on the vibro so there is no chance of putting them on backwards. Please take
the following steps when installing the couplers:
WARNING: TURN THE POWER UNIT OFF BEFORE INSTALLING COUPLERS
1.) Turn the power unit OFF.
2.) Clean all couplers with a can of ether if available. A clean dry cloth will also work but will
require extreme care. Fittings must be spotless clean.
3.) Install couplers by screwing them onto their respective counterparts. Try to avoid cross-
threading and maintain a straight line. Jerk the hose back and forth while turning coupler to
aid installation effort. Push hard to get the big coupler threads started.
4.) Make sure fittings are tight. If they are properly cleaned they should run up tight with just
a firm hand grip. However, they should be double checked with a chain wrench.
5.) Avoid over-tightening.
6.) If near salt water, spray with a light oil to prevent oxidation.
7.) Position the Power Unit so that vibrator has enough hose to reach the work. Avoid pulling
too hard on hoses. Most hose failures are caused by pulling hoses off couplers.
Forward/Reverse 1"
Case Drain 3/4"
Clamp Open/Closed 3/8"
Figure 4-A. Power Unit Coupler Layout
Page 4-2
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