Snorkel TB42, TB50 Telescopic Boom Lift Troubleshooting Guide
222 pages · Publication 074446
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What's inside
From the manual's own table of contents: 59 topics. See sample pages (PDF, 326 KB)
- Engine starter fails to operate (No Electrical)
- Starter disengages before engine starts
- Engine cranks over but will not start
- Engine starts then shuts down after 30 seconds
- Engine will not accelerate
- Engine over accelerates
- Engine will not start from platform control
- Engine starts while cranking, then dies when key switch is released
- Hydraulic system functions on emergency power only
- Hydraulic pump stays on stroke
- Hydraulic oil overheats while idling
- Hydraulic oil overheats during operation
- Hydraulic functions are sluggish
- Hydraulic pump will not build pressure
- Hydraulic pump will not build enough pressure
- Flow from hydraulic pump is too low
- Flow from hydraulic pump is too high (kills engine)
- Machine will not steer
- Drive system is not operational with controller in either direction
- No forward drive (Reverse OK)
- No reverse drive (Forward Ok)
- Drive high range not operating
- Machine drives at full speed with platform raised and/or extended
- Brakes will not release
Show all 59 topics
- Only one wheel turns (2 wheel drive)
- One wheel turns faster than other (2 wheel drive)
- Emergency pump motor non-operational
- No functions when on emergency power
- Swings only in one direction
- No response from swing when platform controls are activated
- No response from swing when ground controls are activated
- Swings erratically in either direction
- Swings faster one way than other
- Swing brake will not hold
- Swings too slow
- Platform rotate does not operate
- Platform rotates too fast
- Platform rotates too slow
- Platform rotates itself
- Platform will not maintain level as boom raises or lowers
- Platform will not maintain level with machine off
- Platform bleeds down
- Platform level will not work from ground control
- Platform level will not work from platform control
- Platform level up function is inoperative
- Platform level down function is inoperative
- Boom raises but will not stay elevated
- Boom will not raise from platform control
- Boom will not raise from ground control
- Boom raises slow from platform
- Boom will not retract from ground control (Platform Control Ok)
- Boom will not retract from platform control (Ground Control Ok)
- Boom will not extend from ground control (Platform Control Ok)
- Boom will not extend from platform control (Ground Control Ok)
- Boom drifts in
- Engine will not start on gasoline, but will start on L.P
- Engine will not start on L.P., but will start on gasoline
- AC Generator will not function
- AC Generator has low voltage
Inside this manual
Real pages from this troubleshooting guide (222 pages). Open the sample pages (PDF, 325 KB)
- Specifications, page 50: SECTION TWO
- Diagram, page 104: SECTION SIX
- Troubleshooting, page 170: SECTION TWELVE
- Foldout diagram, page 217
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the TB42, TB50 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 222 pages
Quantity one is the manual described above.
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Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).