Rack Travel Dial Gauge Holder with Rocker & Accessories for Bosch Inline Pumps
EAN: 8053670087026
Part Number (SKU): MARBED 9881Universal bracket with rocker arm and return spring, for holding the comparator during the measuring of the rack travel on inline pumps.
The Marbed 9881 rack travel gauge holder is a versatile measuring device used in the calibration and overhaul of Bosch inline injection pumps.
It features a rocker lever mechanism to transfer rack movement to a dial gauge, essential when direct contact is not possible.
Unlike basic holders, the 9881 includes a set of interchangeable accessories:
2 long ball-ended feeler rods for deep access
2 short feeler rods for compact setups
4 threaded adapters to secure the tool body in different inspection ports
Clamp for dial gauge with fast locking system
This makes the 9881 suitable for a wide range of Bosch pump types (A, B, P, BV, MW, M, H).
For extended coverage with more adapters and dial gauge included, see the Marbed 9881-K full kit.
Key benefits
Covers multiple Bosch inline pump series with one tool
Rocker lever design enables measurement in confined spaces
Includes long and short feelers for flexible setups
Supplied with multiple threaded adapters for easy fitment
Quick-lock clamp ensures stable dial gauge positioning
Available as standalone tool (9881) or extended kit (9881-K)
FAQ
Q1. What is the Marbed 9881 used for?
The Marbed 9881 is used to measure the rack travel in Bosch inline diesel injection pumps during calibration or overhaul.
Q2. Which pumps are compatible with the 9881?
It fits Bosch inline pumps including series A, B, P, BV, MW, M, RSF, and H.
Q3. Does it measure directly on the rack?
No. The 9881 uses a rocker lever mechanism: the pump rack pushes one side of the lever, and the dial gauge measures the opposite side.
Q4. What accessories are included with the 9881?
The tool includes 2 long ball-ended feelers, 2 short feelers, 4 thread adapters, and a dial gauge clamp.
Q5. Is a dial gauge included in the 9881?
No. The standalone 9881 does not include a dial gauge. If you need the complete set with dial gauge and additional adapters, choose Marbed 9881-K.
Q6. Which thread sizes are covered by the adapters?
The supplied adapters cover standard Bosch inspection port threads (M18×1.5, M20×1.5, M22×1.5, M24×1.5 male and female, M26×1.5 depending on version).
Q7. How is the dial gauge fixed to the holder?
The 9881 features a quick-lock clamp that securely holds standard 8 mm stem dial gauges.
Q8. What is the difference between 9881 and 9881-K?
9881: tool with rocker, feelers, adapters, clamp.
9881-K: full kit with case, more adapters, and a dial gauge included.
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