Power Takeoff (PTO) and Hydraulic Pump Maintenance Instructions (Cont)
HYDRAULIC PUMP REPAIR (CONT).
Remove center section (6) and rear wear
plate (14) from rear cover (13).
Remove seal retainer (15) and seal gland (16)
from rear cover (13).
Model B pump has preformed packing. Do step (9) for
Remove preformed packing (17) from
rear cover (13).
Adhesives, solvents, and sealing compounds can burn
easily, can give off harmful vapors, and are harmful to
skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If
adhesive, solvent, or sealing compound gets on skin or
clothing, wash immediately with soap and water.
Clean all metal parts in drycleaning solvent.
Inspect parts for defects. Replace if necessary
Coat all parts with lubricating oil.
Bushing inside diameter must not exceed
0.003 in. (0.076 mm) larger than shaft
There are two models of hydraulic pumps.
Model B has two preformed packings and
different wear plate configuration.
Place rear cover (1) in vise with inside
Model B Pump has preformed packing. Do
step (1.1) for Model B.
(1.1) Install preformed packing (1.1) on rear
Install seal gland (2) in rear cover (1).
Install seal retainer (3) with flat side
Install rear wear plate (4) with bronze
side up on rear cover (1).
Aline notches and install center section (5).
19-14 Change 3