TM 9-2350-238-34-13 - 6 . M A I N T E N A N C E O F D O U B L E R O T A R Y P U M P ( C O N T ) .D I S A S S E M B L Y ( C O N T)Wipe up any spilled hydraulic fluid to prevent injury to personnel.Disassembly of hydraulic pumps must be performed in a clean, dry, dust-free area.N O T EThere are two different manufacturers of the double rotary pump. They are interchange-able as an assembly, but differ internally for repair.1 3 U s i n g a s u i t a b l e c o n t a i n e r , d r a i n h y d r a u l i c f l u i d f r o m p u m p . R o t a t e s h a f t s l o w l y t o d r a inr e m a i n i n g h y d r a u l i c f l u i d.N O T El To ensure correct position at reassembly, etch match marks on double rotary pumphousing and each cover using marking chalk.l Steps 14 thru 31 apply to Parker-Hannifin or Hydreco double rotary pumps only.3 - 18
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