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English
Hydraulic Motor Cut-Away
Torque flex locknut to
10 ft./lbs. (146N/m).
Use blue Loctite.
Use blue
Loctite on
lock ring.
Use
hydraulic
sealant.
Seal lip must
face up.
Use
hydraulic
sealant.
Torque head plug to
15 ft./lbs. (219 N/m).
Do not over-tighten
o-ring seal.
Torque trip
retainers to
15 ft./lbs. (365 N/m).
Do not over-tighten
o-ring seal.
Torque piston
retainers to
75 ft./lbs. (1095 N/m).
Use red Loctite.
Seal lip must
face down.
Valve rod assembly
is factory set and
permanently Loctited.
Do not disassemble.
Fluid Section
Item Part # Description Quantity
1 143-019 Retaining ring ...........................................1
2 143-118 Connecting pin .........................................1
3 145-031 O-ring, 37)(............................................2
4 138-153 Packing set, leather/UHMPWPE/steel .....2
5 142-004 Packing spring, SS...................................1
6 144-117 Displacement rod, Severe Service 500.......1
7 138-001 Spring retainer..........................................1
8 142-003 Packing spring, SS...................................1
9 451-085 Upper ball cage........................................1
10 138-225 Ball, SS.....................................................1
11 143-945 Piston seat................................................1
12 144-822 Pump cylinder, Severe Service 500.........1
13 140-009 O-ring .......................................................1
14 144-032 Lower ball cage, SS .................................1
15 178-700 Ball, SS.....................................................1
16 144-013 Foot valve assembly ................................1
Fluid Section Service Kit, Major (P/N 144-500)
Item Part # Description Quantity
144-050 Pump Service Kit, Minor...........................1
6 144-117 Displacement rod .....................................1
12 144-822 Pump cylinder...........................................1
Fluid Section Service Kit, Minor (P/N 144-050)
Item Part # Description Quantity
1 143-019 Retainer ring.............................................1
3 145-031 O-ring, 37)(............................................2
4 138-153 Packing set, leather/UHMWPE/steel........2
10 138-225 Ball, SS.....................................................1
13 140-009 O-ring .......................................................1
15 178-700 Ball, SS.....................................................1
426-051 Loctite sealant ..........................................1
1
5
6
7
8
10
9
11
12
13
3
14
15
16
4
4
2
3
Motor/
Pump
Block
