De drar bara av pengar enligt hyreskontraktet.

Because dra av is a particle verb in Swedish. The basic verb is dra, and av is the particle.

In a main clause, the finite verb usually comes early in the sentence, while the particle often stays later:

• De drar av pengar. = They deduct money.
• De drar bara av pengar. = They only deduct money.

So Swedish often splits this kind of verb, especially when something like bara comes in between.

Here, dra av means to deduct, to subtract, or to take off an amount.

So with pengar, it means something like:

• deduct money
• take money off
• subtract money

This is a very common use of dra av in financial contexts.

In Swedish main clauses, the finite verb normally comes before many adverbs, including bara.

So:

• De drar bara av pengar ...

is the normal word order.

A useful pattern is:

• subject + finite verb + adverb + rest

Examples:

• Jag kommer bara idag.
• Hon vill bara hjälpa.

In your sentence, bara means only / just, and it modifies what they do: they only deduct money.

It can feel like either, depending on the translation style.

• bara often means only
• in many contexts it can also sound like just

Here, the most natural sense is probably only:

• They only deduct money according to the rental contract.

But in looser English, just could also fit.

Pengar is the plural form of peng and is usually used to mean money in a general sense.

Swedish often uses a bare plural when talking about things in a general or indefinite way:

• De drar av pengar. = They deduct money.

You would use pengarna if you meant the money, that is, some specific money already known from the context.

So:

• pengar = money / some money
• pengarna = the money

Also, you do not say ett pengar here.

Enligt means according to, in accordance with, or as stated in.

So:

• enligt hyreskontraktet = according to the rental contract

It is used when something follows a rule, document, statement, or agreement.

Examples:

• Enligt lagen ... = According to the law ...
• Enligt avtalet ... = According to the agreement ...

The -et is the definite ending. Swedish often adds definiteness to the end of the noun instead of using a separate word like the.

• ett hyreskontrakt = a rental contract
• hyreskontraktet = the rental contract

So hyreskontraktet means the rental contract.

It is a compound noun:

• hyres- = rental / rent-related
• kontrakt = contract

Together:

• hyreskontrakt = rental contract / lease

Then the definite ending is added:

• hyreskontraktet = the rental contract

This kind of compounding is extremely common in Swedish.

Drar is the present tense of dra.

Important forms are:

• att dra = to draw / pull / deduct
• drar = draws / pulls / deducts
• drog = drew / pulled / deducted
• dragit = drawn / pulled / deducted

In this sentence, drar means deduct in the present tense.

In careful writing, it is spelled de, but in everyday speech it is very often pronounced dom.

So learners often notice:

• written: de
• spoken: often dom

This is very common in modern spoken Swedish.

Yes, but Swedish still keeps the finite verb in second position in main clauses.

For example:

• Enligt hyreskontraktet drar de bara av pengar.

This still works because drar remains the second element in the clause.

That verb-second pattern is a key rule in Swedish main-clause word order.

Because Swedish usually expresses definiteness by adding an ending to the noun.

So English uses:

• the rental contract

but Swedish often uses:

• hyreskontraktet

The the idea is already built into -et.

That is why you do not need a separate word before it here.