New Holland LS140 Workshop Manual page 190

16. Place the coupler, 1, on the spline shaft of one of
the pumps and install a new O ring over the pump
flange at 2. Slide the two pump assemblies to-
gether and install the two 1/2" x 1-1/4" cap
screws, two lock washers, 3, and torque to 77
N·m (57 ft. lbs.). Install the main gear pump to the
front hydrostatic pump with O ring and two 3/8"
x 1" cap screws and torque to 23 N·m (17 ft. lbs.).
17. Fitting Installation
1. Install the four 7/8" - 37° flare x 7/8"-14 O ring
45° elbows, 1.
2. Install the 3/4" - 37° flare x 3/4"-16 O ring 90°
elbow at 2.
3. Install the 3/4" - 37° flare x 3/4"-16 O ring run
tee at 3.
4. Install the crossover hose, 4; align fittings, 2
and 3, with tube and tighten.
5. Install the 9/16" - 37° flare x 9/16"-18 O ring
90° elbow at 5.
Do not tighten the fitting nuts at this time, aligning
hoses and fittings will be required.
NOTE: When installing the rear pump tee fitting or
front pump elbow, make sure the fittings do not
contact the forward / reverse relief valves. Check
relief valves for contact and reinstall fittings to avoid
contact.
18. Before installing the hydrostatic pumps, fill both
pumps with oil through the case drain port at 1,
before installing the fitting. Remove the relief
valve caps, 2, and cartridges and fill the closed
loop with SAE 10W-30 motor oil.
Refer to the "Hydraulic System Cleaning Proce-
dure After Transmission Overhaul" section of this
manual before installing the pump assembly in
the loader.
SECTION 29 - HYDROSTATIC TRANSMISSION
29-45
Copyright © New Holland
81
82
83