Hawk Industries Spinner Manual 550 HYDRAULIC Serial Numbers 206 to 591 - Manual (Page 36)

36 Maintenance & Repair
1. The hydraulic tank should be
cleaned approximately once
every year of service.
2. Remove the lock strap from
the tank valve (TV) and rotate
clockwise to the off position.
2. Drain the hydraulic tank first by
removing the pump end of the
pump suction hose (PSH). Ro-
tate the tank valve (TV) to the on
position and drain off old oil.
3. Unscrew the other end of the
pump suction hose from the tank
valve (TV), and remove the tank
valve and the suction strainer
inside the tank, by unscrewing
the tank valve at the fitting (TF)
just adjacent to the tank.
4. Thouroghly clean the suction
strainer (SS) with cleaning sol-
vent. Replace if damaged.
5. Flush out the tank with cleaning
solvent and remove sludge build-
up on the bottom of the tank.
6. Re-install all components.
7. Replace return line filter. See
prior page.
8. Fill the tank with clean oil.
9. Make sure the tank valve (TV) is
turned on (the position shown in
above photo). Lock the valve in
the on position with wire.
Change Suction Strainer
PSH TF TV
Air Power Pack Maintenance
Part Name Part #
Suction Strainer (SS) 031-P04A
Part Numbers
SS