TANDEM HYDRAULIC PUMP

TB 5-2520-551-24

TANDEM HYDRAULIC PUMP

145. On tandem pump assembly, remove and retain two existing bolts where bracket

(item 2, C5110944-1) will attach to tandem pump assembly (C5122498-1).

146. Place C5110944-1 mounting bracket on tandem pump assembly (C5122498-1) and

secure with two existing bolts and lock washers (item 48, NAS1640-616).

Using 3/8" drive ratchet handle, 6" extension, and 9/16" socket, tighten

bolts.

147. On transfer case, where bracket (item 1, C5110943-1) will be attached,

using a ratchet handle, two 6" extensions, 3/8" drive swivel, and 9/16"

socket, remove and retain three bolts.

148. Install mounting bracket (item 1, C5110943-1) on transfer case for mounting

tandem pump bracket (item 2, C5110944-1). Using 3/8" drive ratchet handle,

two 6" extensions, 3/8" drive swivel, and 9/16" socket, reinstall three

bolts (item 38, MS90725-62), flat washers (item 46, AN960C616), and lock

washers (item 48, NAS1640-616) enough to hold bracket in place.

149. Coat tandem pump splines with thread lubricant (item 84, C5131401-1), and

install tandem pump (C5122498-1) on power take-off. Carefully push tandem

pump forward to engage splines.

150. Secure tandem pump assembly (C5122498-1) to PTO with two bolts (item 39,

MS90725-111) and lock washers (item 49, MS35338-143). Using a 3/4"

combination wrench, tighten bolts.