Giant HR2527A/HR3025/HR3030 SERIES TORQUE SPECIFICATIONS, GX and HR Pump Part Numbering System

HR2527A/HR3025/HR3030 Repair Kits

Plunger Packing Kit

# 09465

Item	Part #	Description	Qty.
22	06290	Pressure Ring	3
20	06315	V-Sleeve 3

Unloader Repair Kit

# 09235

Item	Part #	Description	Qty.
36	07913	O-Ring	1
47	07937	O-Ring, Adjusting Screw	2
48	12031-0002	Teflon Back-Up Ring	2
49	06227	8mm Ball	1
56	12007	O-Ring	2
62	12326	O-Ring	1
66	07935A	By Pass Seat	1

Valve Assembly Kit				Oil Seal Kit
# 09475				# 09468
Item	Part #	Description	Qty.	Item	Part #	Description	Qty.
18	07374	Valve Spring	6	15	06316	Plunger Oil Seal	3
19A	06267	Guided P-Valve	3
19	06295	Discharge Valve Cone	3

HR2527A/HR3025/HR3030 SERIES TORQUE SPECIFICATIONS

Position	Item#	Description	Torque Amount (ft.-lbs)
2	07881A	Socket Head Cap Screw 1/4"	100in-lbs.
39	06320	Stud Bolt	360in-lbs.

GX and HR Pump Part Numbering System

						Wobble
		Pressure (in			Thremal	Plate
		100 psi			Relief	Shaft
GX or HR Series	Flow	increments)		Injector Size	Valve	Bore
Vertical	20=GPM	25=2500 PSI		1=2.1 mm	1=1/2"	1=3/4"
Horizontal	23=GPM			2=1.8mm		2=7/8"
	25=GPM			3=2.3mm		3=1"
						4=5/8”
GX or HR	2.5	25	-	1	1	1

For example, a GXV2525-112 is a GX pump that produces 2.5 GPM @ 2500 PSI, has a injector with a 2.1mm Oriface, 1/2" thermal relief valve and 7/8" wobble plate bore.

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