Dodge ram truck 3500 1996 Service Manual page 207

ER — -
REMOVAL AND INSTALLATION (Continued)
COUPLING
O-RING PUMP
ADAPTER
J9105-99
Fig. 39 Vacuum Pump Removed From Adapter
Fig. 40 Pump Drive Coupling
INSTALLATION
(1) Clean and lubricate pump shaft with engine
oil.
(2) Install spacers on steering pump studs.
(3) Install O-ring on adapter.
(4) Position adapter on pump studs.
(5) Install attaching nuts on outboard stud and on
the two upper pump studs. Do not install nut on
lower, inboard stud at this time. Tighten nuts to 24
N-m (18 ft. lbs.).
(6.) Install coupling on pump shaft. Be sure cou­
pling is securely engaged in shaft drive tangs.
(7) Install vacuum pump on adapter. Rotate drive
gear until tangs on pump shaft engage in coupling.
Verify that pump is seated before installing attaching
nuts.
I R M E S I - 23
Fig. 41 Steering Pump Mounting Stud Spacer
Locations
(8) Install and tighten vacuum pump attaching
nuts.
(9) Inspect adapter O-ring and replace O-ring i f
cut or torn.
(10) Lubricate adapter O-ring with engine oil.
(11) Note position of drive slots in coupling (Fig.
42). Then rotate drive gear to align tangs on vacuum
pump shaft with coupling.
ROTATE DRIVE
GEAR TO ALIGN
SHAFT
DRIVE
TANGS J9105-102
Fig. 42 Pump Shaft Drive Tangs