SECTION V: TROUBLESHOOTING TM 9-2350-256-20D Visually inspect for signs of mechanical failure ofspade. If signs of mechanical failure exist, notify,Direct Support maintenance. If no signs ofmechanical failure exist, go to step E.E Visually inspect for failed or missing spade cylinderattaching pins.If any failed or missing pins exist,notify Direct Support maintenance. If no failed ormissing pins exist, go to step G.Test equipment must be able to withstand1950-2050 psi (13,445-14,135 kPa). Impropertest equipment could burst during testingand cause personnel injury or death.F If spade still does not operate, troubleshoot mainhydraulic system and/or auxiliary hydraulic system(see paragraph 2-19). If spade operates, hut withdifficulty, go to step G.G Inspect for galled spade pivot pins. If any damagedpins exist, notify Direct Support Maintenance. If nodamaged pivot pins exist, go to step H.H Inspect hydraulic lines and connections for leaks.Replace leaking hydraulic lines and tighten leakingconnections (see paragraph 12-1). If leaks persist orspade continues to operate with difficulty, notify,Direct Support Maintenance. If no leaks exist andspade still creeps, n o t i f y D i r e c t S u p p o r tMaintenance.MAIN HYDRAULIC SYSTEMSYMPTOMSInsufficient or no main system oil pressure.Do steps A through E.Loss of main hydraulic pressure during operationDo steps A through G.A Remove hydraulic line intermediate rear right centerfloor plate (see paragraph 9-11). Remove eightsocket head screws. Remove hydraulic oil filtercover and oil filter element (see paragraph 12-3).Dry-cleaning solvent used to clean parts ispotentialIy, dangerous to personnel andproperty. Do not use near open flame orexcessive heat. Flashpoint of solvent is138°F (59°C).2 - 4 9
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