TM 10-5410-228-24
(9)
Secure pump pulley (32) to hydraulic pump (2) with screw (29), flat washer (30) and two washer
spacers (31).
(1)
Install front hydraulic mount bracket (27), with hydraulic pump (2) attached, in ECV engine
compartment by attaching nut (23), new lockwasher (24) (Item 30, Appx E) and two flat washers
(25) to bolt (26). Slide J-bolt (45) into center hole on front hydraulic mount bracket (27).
(2)
Install two new lockwashers (21) (Item 28, Appx E), two flat washers (22) and two bolts (20)
securing front hydraulic mount bracket (27) to hydraulic pump (28).
(3)
Install new O-rings (18 and 19) (Items 53 and 54, Appx E) on elbow (14).
(4)
Lubricate O-rings (18 and 19) (Items 53 and 54, Appx E) with a small amount of hydraulic
(5)
Secure elbow (14) to hydraulic pump (2) with two flange halves (17), four bolts (13) and four new
lockwashers (16) (Item 27, Appx E). Ensure that O-ring (18) (Item 54, Appx E) is seated
properly on elbow (14) and is not pinched. Hand tighten four bolts (15).
(6)
Connect tube assembly (13) to elbow (14). Ensure that O-ring (19) (Item 54, Appx E) is seated
properly and is not pinched.
Torque four bolts (15) in diagonal sequence in small increments to 488 62 in. lbs. (41 5 ft.
(7)
lbs.).
Torque nut on tube assembly (17) to 1680 90 in. lbs. (140 5 ft. lbs.).
(8)
(9)
Install new O-rings (11 and 12) (Items 63 and 50, Appx E) on elbow (10).
(10) Lubricate O-rings (11 and 12) (Items 63 and 50, Appx E) with a small amount of hydraulic
(11) Install elbow (10) on hydraulic pump (2). Ensure O-ring (12) (Item 50, Appx E) is seated
properly and is not pinched. Tighten elbow (10) until finger tight.
(12) Torque elbow (10) to 190 10 in. lbs. (16 1 ft. lbs.).
(13) Connect hose assembly (9) to elbow (10). Ensure O-ring (11) (Item 63, Appx E) is seated properly
and is not pinched. Tighten nut on hose assembly (9) until finger tight.
(14) Torque nut on hose assembly (9) to 220 10 in. lbs. (18 1 ft. lbs.).
(15) Install new O-ring (7) (Item 53, Appx E) on hose assembly (6).
(16) Lubricate O-ring (7) (Item 53, Appx E) with a small amount of hydraulic fluid (Item 24, Appx
(17) Secure hose assembly (6) to hydraulic pump (2) with two flange halves (5), four bolts (3) and
four new lockwashers (4) (Item 27, Appx E). Ensure that O-ring (7) (Item 53, Appx E) is seated
properly on hose assembly (6) and is not pinched. Hand tighten four bolts (3).
(18) Torque four bolts (3) in diagonal sequence in small increments to 300 50 in. lbs. (25 4.5 ft.
lbs.).
(19) Fill hydraulic pump (2) with hydraulic oil before installing hose (8). Fill until case drain
overflows.
(20) Install hose assembly (8) on hydraulic pump (2). Tighten nut on hose assembly (8) until finger
tight.
(21) Torque nut on hose assembly (8) to 720 25 in. lbs. (60 2 ft. lbs.).
2-131