Alamo 7191852C - Manual (Page 7)

HYDRAULIC PUMPS ........................................................................................................................................ 5-4
FLAILHEAD ....................................................................................................................................................... 5-4
CABLE OPERATED ARMHEAD CONTROL VALVE ........................................................................................ 5-5
Replacing Damaged or Worn Spool “O” Rings .................................................................................................. 5-5
Main Relief Valve ............................................................................................................................................... 5-6
Non-Return Valve .............................................................................................................................................. 5-6
CABLES ............................................................................................................................................................. 5-6
HYDRAULIC RAMS ........................................................................................................................................... 5-7
Ram Seal Replacement - General Information .................................................................................................. 5-7
Angling Arm ....................................................................................................................................................... 5-7
Reach Ram ........................................................................................................................................................ 5-7
ROTOR CONTROL VALVE/RELIEF VALVE ..................................................................................................... 5-8
Relief Valve ........................................................................................................................................................ 5-8
Replacing Worn or Damaged “O” Rings ............................................................................................................ 5-8
P.T.O. GEARBOX .............................................................................................................................................. 5-8
HYDRAULIC MOTOR ........................................................................................................................................ 5-8
Replacing Shaft Seals ........................................................................................................................................ 5-9
HYDRAULIC HOSES ......................................................................................................................................... 5-9
Hose Replacement ............................................................................................................................................ 5-9
Hose Warranty ................................................................................................................................................... 5-9