ARO® lubrication pumps handle motor and gear oils, transmission fluid, and standard and industrial greases. Pumps are offered from 3:1 to 100:1 ratios in order to meet the requirements of any application - commercial vehicle servicing to lubricating heavy mining equipment.
Features
- Simple, durable design allows for piston pump service by any owner or technician!!
- Ideal for pumping motor oil, gear oil, or transmission fluid
- Reliability - Features stall-free, ice-free air motor & tough, durable housing to improve pump reliability
- Durability - Increases durability by eliminating trip rods or push pins in our pump design
- Serviceability - Simple self-service maintenance due to advanced design with 50% fewer parts
- Serviceability - Reduced service time. No special tools required to service pump in-line (3:1 pumps)
Accessories
- 635190-1 (pint) Meter
- 635391-1 Control Handle
- 640058-2 Dolly
- 94421 Drum Cover
- 623501-6 Hose
Available Models
| PUMP MODEL | CONTAINER SIZE GAL (L) | |
|---|---|---|
| LM2203A-11-C | (-12-C = BSP Thread) | Stub |
| LM2203A-31-C | (-32-C = BSP Thread) | 16 (60.6) |
| LM2203A-41-C | (-42-C = BSP Thread) | 55 (208.2) |
| LM2203A-51-C | (-52-C = BSP Thread) | 275 (1040.9) |
Specifications
| LOWER PUMP MATERIAL | CARBON STEEL |
|---|---|
| Air Motor Diameter | 2” |
| Air Inlet Pressure Range psi (bar) | 0-150 (0-10.3) |
| Fluid Pressure Range psi (bar) | 0-450 (0-31) |
| Stroke Length | 3” |
| Max.Recommended Cycles/Minute | 125.0 |
| Flow Rate gpm (lpm) | 6 (22.7) |
| Cycles Per Gallon (Liter) | 37 (9.8) |
| Air Inlet Size | 1/4” (F) |
| Fluid Outlet Size | 1/2” (F) |
| Fluid Inlet Size (stub) | 3/4” (F) |
| Noise Level @ 100 psi – 124 cpm | 80 db(A) |
ENGINEERING OPERATION & MAINTENANCE MANUAL



