TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
Page 123 of 532
2-23. Fuel/Water Separator Filter a. Remal. (1) Open drain.cock (fig. 2-62), and bleeder valve (I, fig. 2-64) nd drain fuel into a suitable container. I (2) Disconnect fuel outlet hoses (I, fig. 2-63), and remove and retain fuel outlet tee (2) for install:ition in replnccment filter. Disconnect fuel inlet hose (3). Remove and retain fuel inlet elbow. Disconnect fuel drain hose (5), remove ancl retain fuel drain elbow (6). (3) Loosen, but do not remove, two lower capscrews (2, fig. 2-64). Remove two upper cap- screws (3) and pull fuel/water separator away from bracket. Disconnect two water level probes (4). Remove the two lower capscrews, lockwashers, one nat washer and cushioned clamp (5) and remove fuel/water separator filter from mounting bracket (6). Remove and retain bleeder valve (I) for installation in replacement filter. Figure -62. Fuewater sarator drai11 cock. b. Installation. (1) In stal l fuel/water separator filter on mounting bracket (6, fig. 2-64) and secure with two upper capscrews, lockwashers and flat washers (3). Do not tighten capscrews. Install two water level probes (4) and tighten capscrews (3). Attach cush- ioned cl amp (5) to water level probe leads and in- stall two lower capscrews, lockwashers, one flat washer (2) and cushioned clamp. I Fuel outlet h 2 Fuel oullcl tee 3 Fuel inlet hose TM 9-2815-220-34 TA265640 I 4 Fuel inlet elbow S Fuel droin hose 6 Fuel drain elbow Fi r e fl-9. D1scu1111ecti11g ur cu1111tctin .fuel/water scparato1 filterfuel and d1·ai11 hoses. J Bleeder vale 2 Capscrew and lockwasher 3 Capscrew and lockwasher 4 Water level probe 5 Cushioned clamp 6 Mounting bcket Figure 2-64. Removiiiu or i11stalling fuelh,ter separator filter. NOTE The water level probe that is connected to the lead from the upper connection of the control unit is jdentified by a band of red shrink tube and must be installed in the upper location of the filter. (2) Install fuel drain elbow (6, fig. 2-63). I Connect fuel drain hose (5). Install fuel inJet elbow (4) and connect fuel hose (3). Install fuel outlet tee I Change 3 2·63