Gear Pump; Pump Characteristics; Major Specification; Structure Of Gear Pump - Cub Cadet 8354 Service Manual

3. GEAR PUMP

3.1 PUMP CHARACTERISTICS

The power steering hydraulic pumps use the pump hav-
ing superior volume efficiency and mechanical efficiency
to extract power from engines right cam shaft gear.

3.2 MAJOR SPECIFICATION

Type Volume (cc/rev)
7.2
Tandem 12 First
Second
• Ref.) Q1: For hydraulic elevation (First)
Q2: Steering cylinder (Second)
Qt: Total discharge flow rate
C.C.W: Count clock wise.

3.3 STRUCTURE OF GEAR PUMP

(1) Snap Ring
(2) Bearing
(3) Cover (Front)
(4) Seal Ring
(5) Pin
(6) First Pump
D615-W02 May-2003
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
Gear Rotation
ratio direction
1 : 0.9 C.C.W
(7) Seal Ring
(8) Seal Ring
(9) Bushing
(10) Drive Gear Shaft 1
(11) Passive Gear 1
(12) Coupling
RPM Discharge flow rate in engine
range rated rotation (l/min, gal/min)
Q1: 29.7 Q2: 17.8
~ 3515
7.86 4.71
(13) Cover
(14) Seal Ring
(15) Seal Ring
(16) Bushing
(17) Drive Gear Shaft 2
(18) Passive Gear
STEERING SYSTEM
Attached
position
Qt: 47.5 Right of
engine
12.57
615W804A
(19) Seal Ring
(20) Second Pump
(21) Cover
(22) Spring Washer
(23) Bolt
8-5